2017 Bentley Mulsanne EWB MPG & Specs — Real Fuel Cost
Quick answer
The 2017 Bentley Mulsanne EWB gets an EPA-estimated 11/17 MPG (city/highway) and 13 MPG combined, with an estimated $5,850/year fuel cost and 692 g/mi CO₂. Engine: 6.8 L 8-cyl.
The 2017 Bentley Mulsanne EWB with the 6.8-liter 8-cylinder premium gasoline engine returns an EPA-estimated 11 MPG in the city and 17 MPG on the highway, for a combined 13 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 6.8 L 8-cyl |
| Transmission | Automatic (S8) |
| Drive | Rear-Wheel Drive |
| Fuel type | Premium Gasoline |
| Vehicle class | Midsize Cars |
| MPG — city | 11 |
| MPG — highway | 17 |
| MPG — combined | 13 |
| Annual fuel cost* | $5,850 |
| CO₂ tailpipe | 692 g/mi |
| EPA GHG score | 1/10 |
How efficient is it?
With a combined 13 MPG, the 2017 Bentley Mulsanne EWB sits in the low range for fuel economy. That is roughly 49% thirstier than the typical Midsize Cars of its era (26 MPG class average) — expect higher fuel bills than class-average alternatives.
Fuel economy and running costs
At about $5,850 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2017 Bentley Mulsanne EWB. Over five years that is roughly $29,250 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2017 Bentley Mulsanne EWB emits approximately 692 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 1 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.