Rolls-Royce Dawn
14 MPG The 2021 Rolls-Royce Dawn is EPA-rated at 14 MPG combined (12 city / 18 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 2016–2021 run it averages 14.2 MPG, falling by 1 MPG over 6 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 |
|---|---|---|---|---|---|---|
| 2021 | 14 MPG | 12 | 18 | $5500 | 632 | 1 |
| 2020 | 14 MPG | 12 | 18 | $5500 | 637 | 1 |
| 2019 | 14 MPG | 12 | 18 | $5500 | 637 | 1 |
| 2018 | 14 MPG | 12 | 18 | $5500 | 634 | 1 |
| 2017 | 14 MPG | 12 | 19 | $5500 | 627 | 1 |
| 2016 | 15 MPG | 12 | 19 | $5150 | 609 | 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 227 compact cars models tracked here, the Rolls-Royce Dawn ranks 220 on current figures, against a class average of 26.7 MPG.
Closest more-efficient alternatives in the same class: Mercedes-Benz 300SE (15), Mercedes-Benz C63 AMG (15), BMW 7 Series (15.5), Mercedes-Benz CL55 AMG (16), BMW M6 Gran Coupe (16.5).
Tailpipe CO₂ is rated at 632 grams per mile, which works out to roughly 9.5 tonnes a year at 15,000 miles.
Questions
What MPG does the Rolls-Royce Dawn get?
The 2021 Rolls-Royce Dawn is rated at 14 MPG combined by the EPA — 12 city and 18 highway. Across all 6 model years in the database it averages 14.2 MPG, ranging from 14 to 15 depending on year and trim.
How much does a Rolls-Royce Dawn 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 2021 model is $5500.
Has the Rolls-Royce Dawn become more efficient over time?
No — it has actually gone backwards, from 15 MPG in 2016 to 14 in 2021. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the Rolls-Royce Dawn efficient for its class?
It ranks 220 of 227 in the Compact Cars class on current figures, against a class average of 26.7 MPG. That is 12.7 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.