2018 · Large Car · Gas
2018 Audi A8 MPG & fuel economy
The 2018 Audi A8 is a large car offered in 2 EPA-rated configurations. The most efficient version returns 22 MPG combined (19 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 22 MPG. Efficiency is unchanged from the 2017 model. Among 31 large cars rated for 2018, it ranks 26th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2018 Audi A8's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 19 | 8.1 | 12.4 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 22 | 9.4 | 10.7 |
How it ranks among 2018 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
A8 MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.0L 6-cyl supercharged · 8-speed automatic A8 L |
Gas | 19 MPG | 29 MPG | 22 MPG | — | $2,693 |
| AWD · 4.0L 8-cyl turbo · 8-speed automatic A8 L |
Gas | 16 MPG | 26 MPG | 19 MPG | — | $3,118 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl supercharged
- Transmission
- 8-speed automatic
- Drivetrain
- AWD
- Passenger volume
- 107 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 397 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2018 Audi A8 vs. rivals
Compare the 2018 A8
With any other car from any year, including other A8 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2018 Audi A8?
Up to 22 MPG combined (19 city / 29 highway); ratings range from 19 to 22 MPG depending on configuration.
What fuel does the 2018 Audi A8 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2018 Audi A8?
The 2018 Audi A8's fuel average is 9.4 km/L (10.7 L/100 km), or 22 MPG combined: 8.1 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 2018 Audi A8 per year?
About $2,693 at 15,000 miles a year with $3.95/gal premium gas, or $17.95 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.