2018 head-to-head · Midsize Car
2018 Audi RS 7 vs Bentley Mulsanne
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
RWD · 6.8L 8-cyl turbo · 8-speed automatic · 14 MPG
The 2018 Audi RS 7 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,485 a year to fuel (17 MPG), versus $4,232 for the 2018 Bentley Mulsanne (14 MPG). That's roughly $747 a year, or about $3,734 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
- Bentley Mulsanne
Side by side
| Audi RS 7 | Bentley Mulsanne | |
|---|---|---|
| $3,485 | Your annual fuel cost | $4,232 |
| 17 MPG | Combined efficiency | 14 MPG |
| 14 MPG | City | 11 MPG |
| 24 MPG | Highway | 18 MPG |
| 94 cu ft | Passenger volume | 101 cu ft |
| 25 cu ft | Cargo volume | 11 cu ft |
| 512 g/mi | Tailpipe CO₂ (g/mi) | 652 g/mi |
| 3/10 | EPA fuel economy score | 1/10 |
| 3/10 | EPA greenhouse gas score | 1/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 4.0L 8-cyl turbo | Engine / motor | 6.8L 8-cyl turbo |
| 8-speed automatic | Transmission | 8-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 RS 7 vs Bentley Mulsanne across model years
- Audi RS 7
- Bentley Mulsanne
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 Bentley Mulsanne has more passenger space (101 vs. 94 cu ft); the Audi RS 7 has more cargo space (25 vs. 11 cu ft).
Among 74 2018 midsize cars, the Audi RS 7 ranks 69th and the Bentley Mulsanne 72nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Audi RS 7 or the 2018 Bentley Mulsanne?
Measured by cost to drive, the Audi RS 7. The Audi RS 7 is rated 17 MPG combined and the Bentley Mulsanne 14 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Audi RS 7 vs. the Bentley Mulsanne per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Audi RS 7 and $4,232 for the Bentley Mulsanne.
Which has more cargo space?
The Audi RS 7, with 25 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
Audi RS 7 vs Bentley Mulsanne in other years
More 2018 comparisons
Audi RS 7 vs…
Or compare the 2018 Audi RS 7 with anything else: