2015 head-to-head · Midsize Car
2015 Bentley Mulsanne vs Lexus LS
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 · 13 MPG
The 2015 Lexus LS is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel (19 MPG), versus $4,558 for the 2015 Bentley Mulsanne (13 MPG). That's roughly $1,439 a year, or about $7,196 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
- Lexus LS
Side by side
| Bentley Mulsanne | Lexus LS | |
|---|---|---|
| $4,558 | Your annual fuel cost | $3,118 |
| 13 MPG | Combined efficiency | 19 MPG |
| 11 MPG | City | 16 MPG |
| 18 MPG | Highway | 24 MPG |
| 101 cu ft | Passenger volume | 103 cu ft |
| 11 cu ft | Cargo volume | 14 cu ft |
| 688 g/mi | Tailpipe CO₂ (g/mi) | 460 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 | 4.6L 8-cyl |
| 8-speed automatic | Transmission | 8-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 Lexus LS across model years
- Bentley Mulsanne
- Lexus LS
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 Lexus LS has more cargo space (14 vs. 11 cu ft).
Among 69 2015 midsize cars, the Bentley Mulsanne ranks 68th and the Lexus LS 62nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Bentley Mulsanne or the 2015 Lexus LS?
Measured by cost to drive, the Lexus LS. The Bentley Mulsanne is rated 13 MPG combined and the Lexus LS 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Bentley Mulsanne vs. the Lexus LS per year?
At 15,000 miles a year with $3.95/gal premium gas, about $4,558 for the Bentley Mulsanne and $3,118 for the Lexus LS.
Which has more cargo space?
The Lexus LS, with 14 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
Bentley Mulsanne vs Lexus LS in other years
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