2016 head-to-head · Large Car
2016 Audi A8 vs Mercedes-Benz S-Class
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2016 Audi A8 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,693 a year to fuel (22 MPG), versus $2,962 for the 2016 Mercedes-Benz S-Class (20 MPG). That's roughly $269 a year, or about $1,347 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi A8
- Mercedes-Benz S-Class
Side by side
| Audi A8 | Mercedes-Benz S-Class | |
|---|---|---|
| $2,693 | Your annual fuel cost | $2,962 |
| 22 MPG | Combined efficiency | 20 MPG |
| 18 MPG | City | 17 MPG |
| 29 MPG | Highway | 26 MPG |
| 107 cu ft | Passenger volume | 112 cu ft |
| 15 cu ft | Cargo volume | 12 cu ft |
| 410 g/mi | Tailpipe CO₂ (g/mi) | 444 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 4.7L 8-cyl turbo |
| 8-speed automatic | Transmission | 7-speed automatic |
| AWD | Drivetrain | RWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi A8 vs Mercedes-Benz S-Class across model years
- Audi A8
- Mercedes-Benz S-Class
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Mercedes-Benz S-Class has more passenger space (112 vs. 107 cu ft); the Audi A8 has more cargo space (15 vs. 12 cu ft).
Among 30 2016 large cars, the Audi A8 ranks 21st and the Mercedes-Benz S-Class 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2016 Audi A8 or the 2016 Mercedes-Benz S-Class?
Measured by cost to drive, the Audi A8. The Audi A8 is rated 22 MPG combined and the Mercedes-Benz S-Class 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 Audi A8 vs. the Mercedes-Benz S-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,693 for the Audi A8 and $2,962 for the Mercedes-Benz S-Class.
Which has more cargo space?
The Audi A8, with 15 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Audi A8 vs Mercedes-Benz S-Class in other years
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