2018 head-to-head · Midsize Car
2018 Audi RS 7 vs Audi S7
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 4.0L 8-cyl turbo · 8-speed automatic · 17 MPG
AWD · 4.0L 8-cyl turbo · 7-speed dual-clutch · 18 MPG
The 2018 Audi S7 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel (18 MPG), versus $3,485 for the 2018 Audi RS 7 (17 MPG). That's roughly $194 a year, or about $968 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 RS 7
- Audi S7
Side by side
| Audi RS 7 | Audi S7 | |
|---|---|---|
| $3,485 | Your annual fuel cost | $3,292 |
| 17 MPG | Combined efficiency | 18 MPG |
| 14 MPG | City | 16 MPG |
| 24 MPG | Highway | 24 MPG |
| 94 cu ft | Passenger volume | 94 cu ft |
| 25 cu ft | Cargo volume | 25 cu ft |
| 512 g/mi | Tailpipe CO₂ (g/mi) | 480 g/mi |
| 3/10 | EPA fuel economy score | 3/10 |
| 3/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 7-speed dual-clutch |
| AWD | Drivetrain | AWD |
✓ 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 RS 7 vs Audi S7 across model years
- Audi RS 7
- Audi S7
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
Among 74 2018 midsize cars, the Audi RS 7 ranks 69th and the Audi S7 68th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi RS 7 or the 2018 Audi S7?
Measured by cost to drive, the Audi S7. The Audi RS 7 is rated 17 MPG combined and the Audi S7 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi RS 7 vs. the Audi S7 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Audi RS 7 and $3,292 for the Audi S7.
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