Rolls-Royce Cullinan
13 MPG The 2027 Rolls-Royce Cullinan is EPA-rated at 13 MPG combined (11 city / 18 highway). Over 15,000 miles a year that is about 1154 gallons, $3692 a year in fuel, or $0.246 per mile at $3.20/gal.
Across its full 2019–2027 run it averages 13.9 MPG, falling by 1 MPG over 9 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 | $0.192 | $1923 | $2885 | $3846 |
| $3.00/gal | $0.231 | $2308 | $3462 | $4615 |
| $3.20/gal | $0.246 | $2462 | $3692 | $4923 |
| $3.50/gal | $0.269 | $2692 | $4038 | $5385 |
| $4.00/gal | $0.308 | $3077 | $4615 | $6154 |
| $4.50/gal | $0.346 | $3462 | $5192 | $6923 |
| $5.00/gal | $0.385 | $3846 | $5769 | $7692 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2027 | 13 MPG | 11 | 18 | $5950 | 656 | 1 |
| 2026 | 14 MPG | 12 | 19 | $5500 | 609 | 1 |
| 2025 | 14 MPG | 12 | 19 | $5500 | 609 | 1 |
| 2024 | 14 MPG | 12 | 19 | $5500 | 627 | 1 |
| 2023 | 14 MPG | 12 | 19 | $5500 | 626 | 1 |
| 2022 | 14 MPG | 12 | 20 | $5500 | 618 | 1 |
| 2021 | 14 MPG | 12 | 20 | $5500 | 618 | 1 |
| 2020 | 14 MPG | 12 | 20 | $5500 | 619 | 1 |
| 2019 | 14 MPG | 12 | 20 | $5500 | 615 | 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 26 midsize station wagons models tracked here, the Rolls-Royce Cullinan ranks 25 on current figures, against a class average of 21.9 MPG.
Closest more-efficient alternatives in the same class: Audi RS 6 Avant (16), Lexus RX 300 (18), Lexus RX 300 4WD (18), Mercedes-Benz E63 AMG (wagon) (18), Volkswagen Passat Wagon 4motion (19).
Tailpipe CO₂ is rated at 656 grams per mile, which works out to roughly 9.8 tonnes a year at 15,000 miles.
Questions
What MPG does the Rolls-Royce Cullinan get?
The 2027 Rolls-Royce Cullinan is rated at 13 MPG combined by the EPA — 11 city and 18 highway. Across all 9 model years in the database it averages 13.9 MPG, ranging from 13 to 14 depending on year and trim.
How much does a Rolls-Royce Cullinan cost in fuel per year?
At 13 MPG and 15,000 miles a year, it burns about 1154 gallons — roughly $3692 a year with fuel at $3.20 a gallon, or $0.246 per mile. The EPA's own published annual figure for the 2027 model is $5950.
Has the Rolls-Royce Cullinan become more efficient over time?
No — it has actually gone backwards, from 14 MPG in 2019 to 13 in 2027. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the Rolls-Royce Cullinan efficient for its class?
It ranks 25 of 26 in the Midsize Station Wagons class on current figures, against a class average of 21.9 MPG. That is 8.9 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.