Against 94 other V8 cars rated 2025–2027, the Cullinan trails their 16.3 mpg average by 3.3 mpg, about $598 a year.
Every Rolls-Royce Cullinan engine, compared
The Rolls-Royce Cullinan was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 6.7L 12-cyl | 11.9 / 19.3 | 2019–2027 | $2,763 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (2027) | $0.246 |
| Fuel per year | $2,954 |
| Fuel over five years | $14,770 |
| Against other V8 cars, 2025–2027 | +$598 a year |
| EPA's own estimate | $5,550 a year |
City or highway — who is this car for
The 2027 Rolls-Royce Cullinan gives up 7 mpg in town: 18 on the highway against 11 in the city, $1,358 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2027) | 11 mpg | $3,491 a year if you only drive in town |
| Highway | 18 mpg | $2,133 a year if you mostly commute |
| Gap | +7 mpg (64%) | Wide — this car dislikes traffic |
How the Cullinan changed over the years
The Cullinan peaked in 2026 at 14 mpg (12 city, 19 highway) and was at its thirstiest in 2027 at 13 — 1 mpg apart, or $211 a year in fuel between buying one year and the other. The 2027 car does 13.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2027 | 11 / 18 | 1 | $2,954 | |
| 2026 | 12 / 19 | 1 | $2,743 | |
| 2025 | 12 / 19 | 1 | $2,743 | |
| 2024 | 12 / 19 | 1 | $2,743 | |
| 2023 | 12 / 19 | 1 | $2,743 | |
| 2022 | 12 / 20 | 1 | $2,743 | |
| 2021 | 12 / 20 | 1 | $2,743 | |
| 2020 | 12 / 20 | 1 | $2,743 | |
| 2019 | 12 / 20 | 1 | $2,743 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 9 EPA ratings of the Rolls-Royce Cullinan — 1 engine across 2019–2027. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $5,550. Full method.
Frequently asked questions
What mpg does the 2027 Rolls-Royce Cullinan get?
13 mpg combined, 11 city and 18 highway, per EPA. Across every year since 2019 the Cullinan has averaged 13.9 mpg.
Is the 2027 Cullinan more efficient than the 2026?
No: 13 against 14 mpg combined, about $211 a year more to run.
Which Cullinan year has the best gas mileage?
The 2026, at 14 mpg combined (12 city, 19 highway).
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