2018 Audi S8
The 2018 Audi S8 is a midsize car, rated at 18 MPG combined by the EPA. NHTSA lists 1 recall for this model year.

- Combined MPG
- 18
- NHTSA safety
- Not rated
- Starting price
- $122,000
- Recalls
- 1
Watch: S8 reviews
Full specifications
Identity
SRC · NHTSA vPIC| Make | Audi |
|---|---|
| Model | S8 |
| Model year | 2018 |
| Vehicle class | Midsize Car |
Engine & drivetrain
SRC · EPA FuelEconomy| Displacement | 4 L |
|---|---|
| Cylinders | 8 |
| Transmission | Automatic (S8) |
| Drivetrain | All-Wheel Drive |
| Fuel | Premium Gasoline |
Fuel economy
SRC · EPA FuelEconomy| City MPG | 14 |
|---|---|
| Highway MPG | 24 |
| Combined MPG | 18 |
| CO₂ tailpipe | 503 g/mi |
| EPA annual fuel cost | $4300 |
Fuel economy
SRC · EPA FuelEconomy| City | 14 MPG |
|---|---|
| Highway | 24 MPG |
| Combined | 18 MPG |
Efficiency vs class average
About 51% below the class average.
- Amount financed
- $109,800
- Total interest
- $19,102
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≈ $2,233/yr · 12,000 mi/yr · $3.35/gal
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Cost to own
Estimate monthly payments and 5-year fuel cost using the tools in the sidebar. Figures use EPA fuel economy and current U.S. energy prices from EIA.
Safety ratings & recalls
SRC · NHTSA vPICNHTSA has not published NCAP crash-test ratings for this model year yet.
Recalls (1)
- STRUCTURE:BODY:HOOD20V397000 · 2020-07-07
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S8 and A8 vehicles. The seal around the engine compartment may come loose and contact hot engine components.
Remedy: Audi will notify owners, and dealers will install a retaining plate to prevent the engine compartment seal from loosening. The recall began September 4, 2020. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 51G6.
Compare with rivals
All model years
Frequently asked questions
What is the MPG of the 2018 Audi S8?
The 2018 Audi S8 is EPA-rated at 18 MPG combined (14 city / 24 highway).
Is the 2018 Audi S8 reliable?
NHTSA lists 1 recall for the 2018 Audi S8. Recalls are repaired free of charge by the manufacturer — verify any open recalls by VIN before purchase.
How much does it cost to fuel the 2018 Audi S8?
At 12,000 miles per year, the 2018 Audi S8 costs roughly $2,233 per year to fuel, or about $11,167 over 5 years at current U.S. energy prices.
What type of vehicle is the 2018 Audi S8?
The 2018 Audi S8 is classified as a midsize car. Common rivals in this class are worth comparing on price, MPG, and safety.
Sources: NHTSA vPIC · EPA FuelEconomy · NHTSA vPIC