Bentley Continental Supersports Convertible
14 MPG The 2018 Bentley Continental Supersports Convertible is EPA-rated at 14 MPG combined (12 city / 20 highway). Over 15,000 miles a year that is about 1071 gallons, $3429 a year in fuel, or $0.229 per mile at $3.20/gal.
Across its full 2011–2018 run it averages 13.8 MPG, essentially flat across 5 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.179 | $1786 | $2679 | $3571 |
| $3.00/gal | $0.214 | $2143 | $3214 | $4286 |
| $3.20/gal | $0.229 | $2286 | $3429 | $4571 |
| $3.50/gal | $0.250 | $2500 | $3750 | $5000 |
| $4.00/gal | $0.286 | $2857 | $4286 | $5714 |
| $4.50/gal | $0.321 | $3214 | $4821 | $6429 |
| $5.00/gal | $0.357 | $3571 | $5357 | $7143 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2018 | 14 MPG | 12 | 20 | $5500 | 627 | 1 |
| 2017 | 13 MPG | 11 | 19 | $5950 | 667 | 1 |
| 2013 | 14 MPG | 12 | 19 | $5500 | 633 | 1 |
| 2012 | 14 MPG | 12 | 19 | $5500 | 635 | 1 |
| 2011 | 14 MPG | 12 | 19 | $5500 | 635 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 229 subcompact cars models tracked here, the Bentley Continental Supersports Convertible ranks 221 on current figures, against a class average of 24.2 MPG.
Closest more-efficient alternatives in the same class: Roush Performance Stage 3 Mustang (14.5), BMW 850ci (15), Audi S4 Cabriolet (15.5), BMW M3 Coupe (16), Ford Shelby GT350 Mustang (16).
Tailpipe CO₂ is rated at 627 grams per mile, which works out to roughly 9.4 tonnes a year at 15,000 miles.
Questions
What MPG does the Bentley Continental Supersports Convertible get?
The 2018 Bentley Continental Supersports Convertible is rated at 14 MPG combined by the EPA — 12 city and 20 highway. Across all 5 model years in the database it averages 13.8 MPG, ranging from 13 to 14 depending on year and trim.
How much does a Bentley Continental Supersports Convertible cost in fuel per year?
At 14 MPG and 15,000 miles a year, it burns about 1071 gallons — roughly $3429 a year with fuel at $3.20 a gallon, or $0.229 per mile. The EPA's own published annual figure for the 2018 model is $5500.
Has the Bentley Continental Supersports Convertible become more efficient over time?
Barely. It sits at 14 MPG today against 14 in 2011 — essentially flat across 5 model years, with efficiency gains offset by weight and power creep.
Is the Bentley Continental Supersports Convertible efficient for its class?
It ranks 221 of 229 in the Subcompact Cars class on current figures, against a class average of 24.2 MPG. That is 10.2 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.