2019 head-to-head · Midsize Car
2019 Bentley Mulsanne vs Infiniti Q70
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 6.8L 8-cyl turbo · 8-speed automatic · 12 MPG
The 2019 Infiniti Q70 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $4,938 for the 2019 Bentley Mulsanne (12 MPG). That's roughly $2,116 a year, or about $10,580 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
- Bentley Mulsanne
- Infiniti Q70
Side by side
| Bentley Mulsanne | Infiniti Q70 | |
|---|---|---|
| $4,938 | Your annual fuel cost | $2,821 |
| 12 MPG | Combined efficiency | 21 MPG |
| 10 MPG | City | 18 MPG |
| 16 MPG | Highway | 25 MPG |
| 101 cu ft | Passenger volume | 104 cu ft |
| 11 cu ft | Cargo volume | 15 cu ft |
| 749 g/mi | Tailpipe CO₂ (g/mi) | 433 g/mi |
| 1/10 | EPA fuel economy score | 4/10 |
| 1/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 6.8L 8-cyl turbo | Engine / motor | 3.7L 6-cyl |
| 8-speed automatic | Transmission | 7-speed automatic |
| RWD | 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.
Bentley Mulsanne vs Infiniti Q70 across model years
- Bentley Mulsanne
- Infiniti Q70
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 Infiniti Q70 has more cargo space (15 vs. 11 cu ft).
Among 68 2019 midsize cars, the Bentley Mulsanne ranks 67th and the Infiniti Q70 64th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2019 Bentley Mulsanne or the 2019 Infiniti Q70?
Measured by cost to drive, the Infiniti Q70. The Bentley Mulsanne is rated 12 MPG combined and the Infiniti Q70 21 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2019 Bentley Mulsanne vs. the Infiniti Q70 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $4,938 for the Bentley Mulsanne and $2,821 for the Infiniti Q70.
Which has more cargo space?
The Infiniti Q70, with 15 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
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