Buick

Unibody three-row crossover. 3.6L V6 310hp. 9-speed automatic. FWD standard. AWD available. 5189mm length. 3071mm wheelbase. 2100kg curb weight. Seven or eight passenger seating. 5000 lbs towing. Avenir luxury trim. Premium trim. Essence trim. Quiet cabin engineering. Bose audio. 8in touchscreen. Wireless charging. Hands-free liftgate. QuietTuning sound insulation.

Compact crossover platform. 2.0L Turbo 228hp. 258lb-ft torque. 9-speed automatic. FWD standard. AWD available. 4607mm length. 2779mm wheelbase. 1665kg curb weight. Avenir luxury trim. Essence trim. Preferred trim. 10.2in touchscreen. Bose 8-speaker audio. Wireless Apple CarPlay. Wireless Android Auto. QuietTuning. Hands-free liftgate. Teen Driver system.

Subcompact crossover platform. 1.2L Turbo 137hp base. 1.3L Turbo 155hp available. CVT transmission base. 9-speed automatic optional. FWD standard. AWD available. 4463mm length. 2640mm wheelbase. 1410kg curb weight. Sport Touring trim. Essence trim. Avenir luxury trim. 8in touchscreen. Bose available. QuietTuning standard. Hands-free liftgate. Flexible cargo solutions.

Subcompact crossover pioneer. 1.4L Turbo 138hp standard. 153hp Sport Touring. 6-speed automatic. FWD standard. AWD available. 4278mm length. 2555mm wheelbase. 1440kg curb weight. Premium trim. Sport Touring trim. Leather appointments. 8in IntelliLink touchscreen. Bose audio option. QuietTuning introduced. Hands-free liftgate. Urban luxury positioning. Entry price point. Chinese market success.

Ultium platform. RWD single-motor base. AWD dual-motor option. 285hp RWD estimated. 102kWh battery pack. 300 miles estimated range. DC fast charging capable. Midsize crossover dimensions. 4892mm length. Premium interior. 30in curved display. Super Cruise capable. Avenir luxury trim planned. QuietTuning enhanced for EV. Bose audio system. GM Ultium architecture. Chinese market launch first. North American availability planned.

2+2 gran coupe concept. Dramatic proportions. 21in wheels. Suicide rear doors. Four individual seats. Rotating display screens. AI-enhanced features. Biometric sensors. Fragrance diffuser. Sustainable materials. Machined aluminum trim. Lunar interior theme. Celestial Blue exterior. 4750mm length estimated. Low roofline. Sports car dynamics. Electric performance focus. Buick design direction. Brand renaissance showcase. Production potential.

Epsilon II platform. 2.0L Turbo 250hp standard. 310hp GS variant. 9-speed automatic. FWD standard. AWD available. Sportback hatchback design. TourX wagon variant. 4901mm length. 2829mm wheelbase. 1705kg curb weight. GS performance trim. Avenir luxury trim. Essence trim. Brembo brakes GS. Magnetic Ride Control. Interactive Drive Control. 8in touchscreen. Bose audio. European design influence. Discontinued for crossovers.

Full-size luxury sedan. 2.5L hybrid eAssist. 3.6L V6 310hp standard. 9-speed automatic. FWD standard. AWD available. 5017mm length. 2905mm wheelbase. 1730kg curb weight. Avenir luxury trim. Premium trim. Essence trim. Magnetic Ride Control. Active Fuel Management. QuietTuning premium. Bose Centerpoint audio. 8in touchscreen. Surround Vision camera. Discontinued 2019. Chinese market continuation.

The engine that launched Buick and established David Dunbar Buick's valve-in-head revolution. This 2,596cc horizontally-opposed twin-cylinder featured an aluminum crankcase with cast iron cylinders and fixed cylinder heads. The valvetrain used overhead valves operated by pushrods from a gear-driven camshaft—revolutionary for 1904 when most engines used side valves. The engine employed a single updraft carburetor with manual choke, while ignition used a trembler coil and battery system. The crankshaft ran in two main bearings with no counterweights, while the connecting rods were forged steel. With 4.0:1 compression, it produced 22 hp at 1,200 RPM and 120 lb-ft at 800 RPM. The engine's smooth operation and efficient valve-in-head design made it significantly more advanced than contemporary engines. This engine's success attracted William C. Durant, who used Buick as the foundation for General Motors.

The four-cylinder that powered Buick's early growth and established their reputation for smoothness. This 2,784cc (growing to 3,910cc) overhead-valve inline-four featured a cast iron block with non-detachable cylinder head and three main bearings. The valvetrain used pushrods and rocker arms operating vertical valves in an L-head configuration. The engine employed a single Schebler carburetor with manual choke, while ignition used a Delco distributor with centrifugal advance. The crankshaft was a cast iron unit with no vibration damper, while the connecting rods were forged steel. With 4.2:1 compression, it produced 30 hp at 1,400 RPM and 130 lb-ft at 1,000 RPM. The engine's torquey character and reliable operation made Buick one of America's best-selling cars. This engine established Buick's reputation for building refined, smooth-running engines that appealed to affluent buyers.

The sophisticated straight-six that established Buick as a premium automobile manufacturer. This 3,185cc (growing to 4,165cc) overhead-valve inline-six featured a cast iron block with detachable cylinder head and seven main bearings. The valvetrain used pushrods and rocker arms operating vertical valves, with the camshaft gear-driven from the crankshaft. The engine employed a single Stromberg carburetor with automatic choke, while ignition used a Delco-Remy distributor with centrifugal and vacuum advance. The crankshaft was a forged steel unit with a vibration damper, while the connecting rods were forged steel. With 4.8:1 compression, it produced 70 hp at 2,800 RPM and 165 lb-ft at 1,200 RPM. The engine's smooth operation and refined character made Buick the choice of doctors, lawyers, and other professionals. This engine cemented Buick's position as a premium brand within the General Motors hierarchy.

The legendary straight-eight that became Buick's signature engine for two decades. This 3,817cc (growing to 5,249cc) overhead-valve straight-eight featured a cast iron block with detachable cylinder head and five main bearings. The valvetrain used pushrods and rocker arms operating vertical valves, with the camshaft chain-driven from the crankshaft. The engine employed twin carburetors with automatic chokes, while ignition used a Delco-Remy distributor with centrifugal and vacuum advance. The crankshaft was a forged steel unit with a large vibration damper, while the connecting rods were forged steel. With 6.6:1 compression, it produced 107 hp at 3,200 RPM in early versions, growing to 150 hp at 3,600 RPM in later models. The engine's incredibly smooth operation and distinctive 'Fireball' combustion chamber design made Buick synonymous with refined power. This engine powered Buick through their golden age and established the template for American luxury car engines.

The iconic V8 with vertical valves that became a Buick trademark. This 322 cubic inch (5.3L) overhead-valve V8 featured a 90° configuration with a cast iron block and wedge-shaped combustion chambers. The valvetrain used pushrods and rocker arms operating small-diameter vertical valves—the 'nailhead' design that gave the engine its nickname. The engine employed a four-barrel carburetor with automatic choke, while ignition used a Delco-Remy distributor with centrifugal and vacuum advance. The crankshaft was a forged steel unit running in five main bearings, while the connecting rods were forged steel. With 8.5:1 compression, it produced 255 hp at 4,400 RPM and 341 lb-ft at 2,800 RPM. The engine's massive low-RPM torque and smooth operation made it perfect for Buick's luxury cars. This engine's unique design and characteristic appearance made it a favorite among hot rodders and custom car builders.

The revolutionary aluminum V8 that was decades ahead of its time. This 215 cubic inch (3.5L) overhead-valve V8 featured a 90° configuration with all-aluminum construction—the first mass-produced aluminum V8. The engine employed wedge-shaped combustion chambers with pushrod-actuated overhead valves. The engine used a two-barrel carburetor with automatic choke, while ignition used a Delco-Remy distributor. The crankshaft was a cast nodular iron unit running in five main bearings, while the connecting rods were forged steel. With 8.8:1 compression, it produced 155 hp at 4,600 RPM and 220 lb-ft at 2,400 RPM. The engine's lightweight construction (318 pounds) and compact dimensions made it revolutionary. Though expensive to produce, this engine design was sold to Rover and became the basis for their V8 for decades, proving Buick's engineering innovation.

The massive big-block V8 that powered Buick's muscle car era. This 455 cubic inch (7.5L) overhead-valve V8 featured a 90° configuration with a cast iron block and open-chamber cylinder heads. The valvetrain used pushrods and stamped steel rocker arms operating large valves. The Stage 1 version employed a Rochester Quadrajet four-barrel carburetor with specific calibration, while ignition used a Delco-Remy distributor with special advance curve. The crankshaft was a forged steel unit running in five main bearings, while the connecting rods were forged steel. With 10.0:1 compression, it produced 350 hp at 4,600 RPM and 510 lb-ft at 2,800 RPM—though actual output was likely higher. The engine's massive torque and smooth power delivery made the GSX one of the quickest muscle cars of its era. This engine represented the ultimate evolution of Buick's traditional V8 architecture.

The V6 that became Buick's workhorse for three decades and revolutionized American engine design. This 231 cubic inch (3.8L) 90° V6 was essentially a Buick V8 with two cylinders removed, featuring a cast iron block and odd-fire crankshaft. The valvetrain used pushrods and rocker arms operating valves in wedge-shaped combustion chambers. The engine employed a two-barrel carburetor with feedback control, while ignition used HEI distributor with electronic advance. The crankshaft was a cast nodular iron unit with 90° firing intervals, while the connecting rods were forged steel. With 8.0:1 compression, it produced 110 hp at 3,800 RPM and 190 lb-ft at 2,000 RPM. The engine's compact size and good fuel economy made it perfect for the downsizing era. This engine would evolve through turbocharging and eventually become one of the most successful V6 designs in automotive history.

The turbocharged V6 that created the ultimate Buick performance legend. Based on the 231ci V6 but extensively modified for forced induction, this engine featured a Garrett AIRresearch T03 turbocharger with 15.0 psi of boost. The engine employed sequential port fuel injection with Bosch components, while ignition used HEI distributor with boost-retard capability. The cylinder heads were revised with improved ports and larger valves, while the block received additional reinforcement. The turbo system used an air-to-air intercooler, while the exhaust used low-restriction manifolds. With 8.0:1 compression and turbocharger assistance, it produced 245 hp at 4,400 RPM and 355 lb-ft at 3,000 RPM in Grand National form, with the GNX reaching 276 hp and 360 lb-ft. The engine's brutal torque delivery and stealthy appearance made the Grand National a legend. This engine proved that Buick could build world-beating performance cars when they chose to.

The evolved V6 that became one of the most successful engines in automotive history. This 231 cubic inch (3.8L) 90° V6 featured sequential port fuel injection and balance shaft technology in later versions. The Series II introduced roller lifters and improved cylinder heads, while Series III added electronic throttle control and enhanced engine management. The engine employed a returnless fuel system with sequential injection, while ignition used waste-spark DIS ignition. The crankshaft was a cast nodular iron unit with 90° firing intervals, while the connecting rods were powdered metal. With 9.4:1 compression, the naturally-aspirated version produced 205 hp at 5,200 RPM and 230 lb-ft at 4,000 RPM. The engine's legendary durability and smooth operation made it a favorite for millions of owners. This engine remained in production for 25 years, powering everything from Buicks to Pontiacs to Chevrolets.

The supercharged V6 that brought high performance to Buick's modern era. Based on the 3800 Series II but with an Eaton M62 roots-type supercharger, this engine featured an integrated air-to-liquid intercooler and 8.0 psi of boost. The engine employed sequential port fuel injection with specific calibration for forced induction, while ignition used waste-spark DIS ignition with knock control. The cylinder heads were revised with improved cooling, while the block received additional reinforcement. The supercharger used a magnetic clutch and was driven by a dedicated serpentine belt. With 8.5:1 compression and supercharger assistance, it produced 240 hp at 5,200 RPM and 280 lb-ft at 3,600 RPM. The engine's instant throttle response and smooth power delivery made it perfect for Buick's luxury performance models. This engine brought supercharged performance to mainstream luxury cars.

The modern DOHC V6 that powers Buick's current luxury models. This 3,564cc 60° V6 features dual overhead camshafts per bank operating 24 valves via roller finger followers. The engine employs variable valve timing on all four camshafts with 50° of adjustment range. The aluminum block uses cast iron liners, while the cylinder heads feature pent-roof combustion chambers. The fuel system uses direct injection at 2,175 psi pressure, while ignition uses individual coil-on-plug units. The crankshaft is a forged steel unit running in four main bearings, while the connecting rods are forged powder metal. With 11.5:1 compression, it produces 310 hp at 6,800 RPM and 282 lb-ft at 5,200 RPM. The engine's smooth operation and refined character perfectly suit Buick's modern luxury mission. This engine represents Buick's transition to global engine architecture while maintaining their tradition of refined power.

The turbocharged four-cylinder that brought European-style performance to Buick. This 1,998cc turbocharged inline-four features a dual overhead camshaft design with variable valve timing on both camshafts. The engine employs a twin-scroll turbocharger with electronic wastegate control and 20.0 psi of boost. The aluminum block uses cast iron liners, while the cylinder head features direct injection at 2,175 psi pressure. The turbo system uses an air-to-air intercooler, while the exhaust uses a low-restriction manifold. With 9.5:1 compression, it produces 250 hp at 5,300 RPM and 260 lb-ft from 2,000-4,000 RPM. The engine's responsive character and strong mid-range torque provide European-style performance with Buick refinement. This engine demonstrates Buick's ability to adapt global powertrain technology to their specific luxury requirements.

The turbocharged four-cylinder optimized for Buick's crossover vehicles. Based on the same architecture as the Verano engine but with specific calibration for SUV applications, this 1,998cc inline-four features revised turbocharger mapping that emphasizes low-RPM torque for better drivability in heavy vehicles. The engine employs the same twin-scroll turbocharger but with different compressor mapping, while the cooling system is enhanced for SUV duty cycles. The fuel system uses direct injection with specific calibration, while ignition timing is optimized for premium fuel. With 9.5:1 compression, it produces 252 hp at 5,500 RPM and 295 lb-ft from 3,000-4,000 RPM. The engine's strong low-end torque and smooth power delivery make it perfect for Buick's luxury crossovers. This engine represents how Buick adapts global powertrains to meet the specific needs of their luxury customers.

Buick's mild hybrid system that improves fuel economy while maintaining performance. This 2,384cc (later 2,490cc) inline-four combines a naturally-aspirated gasoline engine with a 15 kW motor-generator unit. The engine features variable valve timing and direct injection, while the hybrid system uses a lithium-ion battery pack and belt-alternator-starter technology. The system provides torque assist during acceleration, regenerative braking during deceleration, and engine stop-start functionality. With 11.2:1 compression, the combustion engine produces 182 hp at 6,700 RPM, while the hybrid system adds 15 hp for brief periods. The complete system improves fuel economy by up to 25% compared to non-hybrid versions while maintaining Buick's signature smooth operation. This represents Buick's approach to electrification—improving efficiency without compromising the luxury experience.

Buick's electric future based on General Motors' Ultium platform. These systems feature multiple motor configurations ranging from single-motor front-wheel drive to dual-motor all-wheel drive with up to 583 hp. The motors use permanent magnet technology with hairpin winding stator construction for maximum power density. The battery packs use NMC 811 chemistry with wireless battery management and modular design ranging from 50-200 kWh capacity. The Ultium platform supports 400V and 800V architecture with DC fast charging up to 350 kW. The drive units feature independent torque control for each motor, enabling torque vectoring capabilities. Buick's specific calibration focuses on smooth, quiet operation with instant torque delivery that maintains the brand's refined character. These powertrains represent Buick's complete transition to electrification while maintaining their heritage of smooth, refined power delivery.

The high-feature V6 that delivers smooth, refined power for Buick's premium models. This 3,564cc 60° V6 features dual overhead camshafts per bank with variable valve timing on intake and exhaust camshafts. The engine employs direct fuel injection at 2,175 psi pressure for optimal efficiency and power. The aluminum block uses cast iron liners, while the cylinder heads feature pent-roof combustion chambers with central spark plug location. The crankshaft is a forged steel unit running in four main bearings, while the connecting rods are forged powder metal. With 11.5:1 compression, it produces 310 hp at 6,800 RPM and 282 lb-ft at 5,200 RPM. The engine's refined character and smooth power delivery perfectly complement Buick's luxury positioning in both sedans and crossovers.

The advanced turbocharged four-cylinder with active fuel management technology. This 1,998cc inline-four features dual overhead camshafts with variable valve timing and GM's Active Fuel Management system that can deactivate two cylinders under light load. The engine employs a twin-scroll turbocharger with electronic wastegate control and direct fuel injection. The turbo system uses an air-to-air intercooler for optimal charge cooling. With 10.0:1 compression, it produces 228 hp at 5,000 RPM and 258 lb-ft from 1,500-4,000 RPM. The engine's broad torque curve and cylinder deactivation technology provide both responsive performance and excellent fuel efficiency for Buick's luxury crossovers.

The efficient turbocharged three-cylinder that provides surprising performance in compact applications. This 1,199cc inline-three features dual overhead camshafts with variable valve timing and direct fuel injection. The engine employs a single-scroll turbocharger with electronic wastegate control and integrated exhaust manifold. Despite its small displacement, the turbocharger provides strong low-end torque. With 10.0:1 compression, it produces 137 hp at 5,000 RPM and 162 lb-ft at 2,500 RPM. The engine's compact dimensions and excellent fuel economy make it ideal for Buick's entry-level luxury crossovers while maintaining the brand's signature refinement.

The larger-displacement turbocharged three-cylinder that delivers enhanced performance. This 1,330cc inline-three builds on the L3T architecture with increased displacement and revised turbocharger mapping. The engine features the same dual overhead camshaft design with variable valve timing and direct fuel injection. The turbo system is optimized for better low-RPM response and higher peak output. With 10.0:1 compression, it produces 155 hp at 5,600 RPM and 174 lb-ft at 1,600 RPM. This engine provides a perfect balance of efficiency and performance for Buick's compact luxury crossovers, offering smooth power delivery with excellent real-world drivability.

The proven turbocharged four-cylinder that powered Buick's original subcompact crossover. This 1,364cc inline-four features dual overhead camshafts with variable valve timing and port fuel injection. The engine employs a single-scroll turbocharger with air-to-air intercooler and electronic wastegate control. The cast iron block provides durability while the aluminum head features pent-roof combustion chambers. With 9.5:1 compression, it produces 138 hp at 4,900 RPM and 148 lb-ft at 1,850 RPM. This engine established Buick's presence in the subcompact luxury crossover segment, offering European-inspired performance with American refinement.

The turbocharged four-cylinder that provides balanced performance for Buick's sport sedan. This 1,998cc inline-four features dual overhead camshafts with variable valve timing and direct fuel injection. The engine employs a twin-scroll turbocharger with electronic wastegate control and air-to-air intercooler. The aluminum block uses cast iron liners for durability. With 9.5:1 compression, it produces 250 hp at 5,300 RPM and 260 lb-ft from 2,000-4,000 RPM. This engine delivered European-style performance with Buick refinement, making the Regal a compelling alternative to premium European sport sedans.

The high-output turbocharged four-cylinder that powered Buick's performance flagship. This 1,998cc inline-four shares its basic architecture with the LSK but features significant upgrades for enhanced performance. The engine employs a larger twin-scroll turbocharger with increased boost pressure, revised direct injection system, and enhanced cooling. The cylinder head features improved port design and larger valves. With 9.5:1 compression, it produces 310 hp at 6,500 RPM and 295 lb-ft from 2,500-4,000 RPM. This engine transformed the Regal GS into a genuine sports sedan competitor while maintaining Buick's signature refinement.

The efficient four-cylinder designed specifically for mild hybrid applications. This 2,490cc inline-four features dual overhead camshafts with variable valve timing and direct fuel injection. The engine is optimized for the eAssist system, with specific calibration for stop-start operation and regenerative braking. The aluminum block uses cast iron liners, while the cylinder head features pent-roof combustion chambers. With 11.2:1 compression, it produces 182 hp at 6,700 RPM and 177 lb-ft at 4,400 RPM. When combined with the 15 kW motor-generator, this powertrain delivers both efficiency and smooth operation characteristic of Buick's luxury sedans.

The electric motor that delivers smooth, refined acceleration for Buick's entry into electrification. This permanent magnet AC motor features hairpin winding technology for maximum power density and efficiency. The motor produces 285 hp and 360 lb-ft of instant torque, delivering smooth, linear acceleration characteristic of Buick's luxury character. The single-speed reduction gear transmission provides seamless power delivery without shift interruptions. Combined with a 102 kWh battery pack, this powertrain delivers an estimated 300 miles of range while maintaining the quiet, refined operation that defines the Buick brand.

The dual-motor all-wheel drive system that provides both performance and capability. This system combines two permanent magnet AC motors with independent torque control for each axle. The front and rear motors work together to produce 340 hp and 450 lb-ft of combined torque, with the ability to vector torque between axles for optimal traction and handling. The system provides the instant acceleration expected from electric vehicles while maintaining Buick's signature smooth, refined power delivery. With the same 102 kWh battery pack as the single-motor version, this configuration offers enhanced performance without significant range compromise.

The advanced electric powertrain that showcases Buick's performance potential in the electric era. This high-performance system features dual permanent magnet motors with enhanced power output and advanced thermal management. The motors produce approximately 400 hp combined with instant torque delivery characteristic of electric performance vehicles. The system incorporates torque vectoring capabilities for enhanced cornering performance and stability. While specific details remain conceptual, this powertrain demonstrates Buick's commitment to maintaining their heritage of refined performance while embracing full electrification. The system represents the future of Buick performance—smooth, quiet, and effortlessly powerful.

The sophisticated 9-speed automatic that balances performance and efficiency. This GM-developed transmission features adaptive shift programming and wide gear ratios for both acceleration and highway cruising. The torque converter uses a lock-up clutch for improved efficiency, while the planetary gearset provides smooth, seamless shifts. The casing is aluminum with integrated thermal management. The transmission control unit features learning capability that adapts to driving style. Weighing 95kg, it delivers refined power delivery perfect for Buick's luxury crossovers while providing responsive performance when needed.

The continuously variable transmission optimized for efficiency and smoothness. This GM-developed CVT uses a steel pushbelt running between variable-diameter pulleys to provide infinite gear ratios. The transmission features simulated shift points in manual mode for more familiar driving feel. The casing is aluminum with integrated hydraulic control unit. The control system optimizes ratio selection for both performance and fuel economy. Weighing 85kg, it provides seamless acceleration without shift interruptions while achieving excellent fuel economy in Buick's compact crossovers.

The mild hybrid transmission that improves efficiency without compromising performance. This GM-developed system combines a conventional automatic transmission with a 15 kW motor-generator unit. The system provides torque assist during acceleration, regenerative braking during deceleration, and engine stop-start functionality. The transmission features specific calibration for hybrid operation, with optimized shift patterns for maximum efficiency. Weighing 105kg, it improves fuel economy by up to 25% compared to non-hybrid versions while maintaining Buick's signature smooth operation.

The transverse 9-speed automatic designed for front-wheel drive and all-wheel drive applications. This transmission features a wide 7.6:1 gear ratio spread that optimizes both acceleration and highway fuel economy. The compact design incorporates start-stop capability and aggressive torque converter lock-up strategy for improved efficiency. The transmission uses four simple planetary gearsets and six shift elements to achieve nine forward speeds. With adaptive shift control and electronic precision shift, it delivers the smooth, refined operation expected in Buick luxury vehicles while providing responsive performance when needed.

The enhanced 9-speed automatic optimized for premium crossover applications. Building on the 9T50 design, this transmission features increased torque capacity and refined shift quality for luxury vehicles. The transmission incorporates an external transmission fluid filter for extended service intervals and improved durability. The shift programming is specifically calibrated for Buick's quiet luxury character, with emphasis on smooth, imperceptible shifts during normal driving. The wide ratio spread allows for both strong off-the-line acceleration and relaxed highway cruising with low engine RPM.

The compact 9-speed automatic designed for smaller crossover applications. This transmission shares the fundamental architecture of the 9T50 but is optimized for lower torque applications and compact vehicle packaging. The transmission features reduced weight and dimensions while maintaining the same wide ratio spread for optimal performance and efficiency. The shift calibration is specifically tuned for the Encore GX's character, providing smooth urban driving with responsive performance when needed. The transmission works seamlessly with both FWD and AWD configurations.

The advanced continuously variable transmission optimized for efficiency and drivability. This GM-developed CVT features a reinforced steel pushbelt and variable-diameter pulleys that provide an infinite number of gear ratios between the minimum and maximum. The transmission incorporates stepped shift patterns in manual mode to simulate traditional automatic transmission feel. The hydraulic system is optimized for smooth ratio changes and quick response. The VT50 is specifically calibrated for Buick's luxury character, providing seamless acceleration without the traditional CVT 'rubber band' effect that can be objectionable to luxury buyers.

The proven 6-speed automatic that provided reliable service in Buick's early crossovers. This transverse transmission features a compact design with six forward speeds and adaptive shift control. The transmission uses a compound planetary gearset arrangement to achieve its gear ratios. The torque converter incorporates a lock-up clutch for improved fuel economy. While not as advanced as newer 9-speed units, this transmission was specifically calibrated for Buick applications to provide smooth, refined shift quality that matched the brand's luxury positioning in the subcompact crossover segment.

The simple yet efficient single-speed transmission used in Buick's electric vehicles. This transmission uses a fixed reduction gear ratio to transfer power from the electric motor to the wheels. The design eliminates the need for multiple gears, providing seamless acceleration without shift interruptions. The reduction gear is housed in a compact, lightweight aluminum casing with integrated cooling. The system requires no traditional transmission fluid and features minimal maintenance requirements. The single-speed design perfectly complements the instant torque delivery of electric motors, providing the smooth, quiet operation that defines the Buick brand experience.