2008 Audi A8
US · Midsize Cars
The 2008 Audi A8 is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 4.2L 8-cylinder, 6.0L 12-cylinder
- Transmission
- 6-speed automatic
- Drivetrain
- AWD
- Fuel
- Gasoline
- Economy
- 15 mpg (15.7 L/100 km) to 18 mpg (13.1 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 4.2L 8-cylinder, 6.0L 12-cylinder | |
| Displacement | 4.2 L to 6.0 L | |
| Cylinders | 8 to 12 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 6 | |
| Drivetrain | AWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 15 mpg (15.7 L/100 km) to 18 mpg (13.1 L/100 km) | EPA fueleconomy.gov |
| City | 13 mpg (18.1 L/100 km) to 16 mpg (14.7 L/100 km) | |
| Highway | 19 mpg (12.4 L/100 km) to 23 mpg (10.2 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
3 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 9, 2026.
16V415000: VISIBILITY:SUN/MOON ROOF ASSEMBLY
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2007-2009 Audi A8 and S8 vehicles. The sunroof glass on the affected vehicles may not be properly secured to the sunroof frame. As a result, the sunroof glass may detach from the car while driving.
Remedy: Volkswagen will notify owners, and dealers will install additional adhesive between the sunroof glass and frame, free of charge. The recall is expected to begin in August 4, 2016. Owners may contact Audi customer service at…
Reported June 9, 2016. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 8, 2026 · US Government public data
- NHTSA vPIC · retrieved October 15, 2026 · US Government public data
Source checked: November 8, 2026
Data verified: November 8, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2007 Audi A8
Gasoline
Varies by configuration: 4.2L 8-cylinder, 6.0L 12-cylinder · AWD
18 mpg (13.1 L/100 km) to 15 mpg (15.7 L/100 km) - 2009 Audi A8
Gasoline
Varies by configuration: 4.2L 8-cylinder, 6.0L 12-cylinder · AWD
18 mpg (13.1 L/100 km) to 15 mpg (15.7 L/100 km)
Frequently asked questions
What engine does the 2008 Audi A8 have?
Varies by configuration: 4.2L 8-cylinder, 6.0L 12-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2008 Audi A8?
Combined fuel economy is 15 mpg (15.7 L/100 km) to 18 mpg (13.1 L/100 km), as published by the source shown in the specification table.
Is the 2008 Audi A8 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: AWD.
Are there recalls for the 2008 Audi A8?
NHTSA lists 1 recall campaign for this model year (last checked November 9, 2026). Details are in the Recalls section.