NHTSA lists 1 safety recall and 5 owner complaints for the 2008 Audi S8. Most complaints involve visibility (3) and visibility/wiper (1). The EPA rates it 15 mpg combined.
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.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“The contact owns a 2008 Audi S8. The vehicle had previously been serviced under NHTSA Campaign Number: 16V415000 (Visibility). The contact stated that while driving at 85 MPH, the sunroof glass detached from the sunroof frame. The vehicle was not diagnosed nor repaired by an independent mechanic or the dealer. The manufacturer was made aware of the failure, and the contact was awaiting a callback. The failure mileage was approximately 114,000. Vehicle has been repaired.”
“There is a possibility that the sunroof glass may detach from the vehicle's frame, posing a road hazard and increasing the risk of an accident.”
“AFTER A PERIOD OF ACCELERATION ON THE HIGHWAY, THE GAS PEDAL WAS RELEASED, BUT THE CAR CONTINUED TO ACCELERATE OUT OF CONTROL. APPLYING THE BRAKE PEDAL DID NOT STOP THE CAR, AND THE ACCELERATION STOPPED ONLY AFTER THE CAR WAS TURNED OFF AND BACK ON.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| S8 Auto (S6), 10 cyl, 5.2 L · 4-Wheel or All-Wheel Drive | 13 | 19 | 15 | $5,300 | 592 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
1 safety recall as of Oct 28, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 5 complaints with NHTSA. The most-cited components are visibility (3), visibility/wiper (1), vehicle speed control (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2008 Audi S8 at 15 mpg combined, depending on engine and drivetrain (1 version rated).