The Audi A8 is a flagship luxury sedan that has redefined performance and innovation since its 1994 debut, famously introducing an aluminum chassis to the segment.
Throughout its history, the A8 has offered a diverse range of powertrains, from a 240-hp 3.0L V6 to a 500-hp 6.3L W12, reflecting its commitment to performance.
The 2025 model features a 3.0L turbocharged hybrid V6 producing 335 hp and 369 lb-ft of torque, paired with an 8-speed automatic transmission.
Audi's quattro (all-wheel drive) system has been standard, ensuring consistent power delivery across all conditions.
Scroll down to explore detailed horsepower and torque data for the Audi A8 across its production years.
Check out the Horsepower And Torque specifications for other makes and models.
D5: 2017-2017
The 2017 Audi A8 (D5 generation) offers a range of advanced powertrains, including a 3.0L V6 producing 333 hp and 325 lb-ft of torque, and a 4.0L V8 delivering 450 hp and 444 lb-ft of torque.
All models feature quattro all-wheel drive and an 8-speed Tiptronic automatic transmission.
A notable innovation for this generation is the introduction of a 48-volt mild hybrid system (MHEV) on the V8 engines, enhancing efficiency and performance.
2017 Audi A8 Horsepower
The 2017 Audi A8 offers a horsepower range from 333hp in the L 3.0T model, equipped with a 3.0L V6 engine and all-wheel drive (AWD), to 450hp in the L 4.0T Sport model with a 4.0L V8 engine, also with AWD.
Torque output spans from 325 lb-ft in the L 3.0T V6 configuration to 444 lb-ft in the L 4.0T Sport V8 variant, both featuring AWD drivetrains.
Both engine configurations are paired with an 8-speed automatic transmission.
2017 Audi A8 Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| L 3.0T Sedan |
3.0L | Intercooled Supercharger | V6 | 8 Spd Auto w/OD | AWD |
333 hp @ 5,500 rpm |
325 ft-lbs @ 2,900 rpm |
| L 4.0T Sport Sedan |
4.0L | Twin Turbo | V8 | 8 Spd Auto w/OD | AWD |
450 hp @ 5,300 rpm |
444 ft-lbs @ 1,500 rpm |
D4: 2009-2009
The third-generation Audi A8 (Typ 4H) features a range of advanced powertrains, including a 4.2L V8 producing 372 PS (366 hp) and a 6.3L W12 delivering 500 PS (493 hp), both paired with an eight-speed ZF automatic transmission and quattro (all-wheel drive) as standard.
Notable innovations include the lightweight Audi Space Frame aluminum construction, making it the lightest AWD vehicle in its class.
Additionally, the S8 variant introduced a 4.0L twin-turbo V8 with 520 PS (512 hp) and cylinder deactivation for improved efficiency.
2009 Audi A8 Horsepower
The 2009 Audi A8 offers a horsepower range from 350hp in the 4.2 Quattro with a 4.2L engine to 450hp in the L 6.0 Quattro with a 6.0L engine.
Its torque output varies between 325 lb-ft for the 4.2L engine and 428 lb-ft for the 6.0L engine, both configurations featuring all-wheel drive and a 6-speed automatic transmission.
The engine options for this model include 4.2L and 6.0L sizes, both paired with Audi's Quattro all-wheel-drive system.
2009 Audi A8 Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| 4.2 Quattro Sedan |
4.2L | V8 | 6 Spd Auto | AWD |
350 hp @ 6,800 rpm |
325 ft-lbs @ 3,500 rpm |
| L 4.2 Quattro Sedan |
4.2L | V8 | 6 Spd Auto | AWD |
350 hp @ 6,800 rpm |
325 ft-lbs @ 3,500 rpm |
| L 6.0 Quattro Sedan |
6.0L | W12 | 6 Spd Auto | AWD |
450 hp @ 6,200 rpm |
428 ft-lbs |
D3: 2002-2002
The second-generation Audi A8 (D3) introduced a range of advanced powertrains, including a 4.2L V8 producing 310 hp and 302 lb-ft of torque, paired with a 5-speed automatic transmission and Audi's quattro (all-wheel drive) system.
Notable innovations included the debut of the W12 engine, offering compact packaging for a 6.0L 12-cylinder configuration with 444 hp, enabling all-wheel drive capability.
This generation also introduced the Multi Media Interface (MMI) system, setting a new standard for in-car technology integration.
2002 Audi A8 Horsepower
The 2002 Audi A8 is equipped with a 4.2L engine that produces 310 horsepower.
This model features an all-wheel-drive (AWD) system and a 5-speed automatic transmission with overdrive.
The engine delivers a torque output of 302 lb-ft.
2002 Audi A8 Horsepower And Torque
| Trim |
Engine | Transmission | Drivetrain |
Horsepower @ RPM |
Torque @ RPM |
| 4.2 Quattro Sedan |
4.2L | V8 | 5 Spd Auto w/OD | AWD |
310 hp @ 6,200 rpm |
302 ft-lbs @ 3,000 rpm |
| 4.2 Quattro L Sedan |
4.2L | V8 | 5 Spd Auto w/OD | AWD |
310 hp @ 6,200 rpm |
302 ft-lbs @ 3,000 rpm |
Audi A8
Popular Horsepower And Torque Ratings