The Bentley Flying Spur does 17.3 mpg combined (14.8 city, 21.7 highway), which works out to about $2,220 a year in fuel at $3.20 a gallon and 12,000 miles. Engine choice matters more than you'd think: 2.9L 6-cyl Hybrid does 19 mpg while 6L 12-cyl does 14.5 — a difference of $627 a year. Against other V8 cars it sits above the average of 16.1 mpg.
Every Bentley Flying Spur engine, compared
Gas mileage on the Bentley Flying Spur ranges from 19 down to 14.5 depending on which engine sits under the bonnet — a spread of $627 a year across 4 versions of the same car. Picking the right one often saves more fuel than picking a different car altogether. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2.9L 6-cyl Hybrid | 17 / 22 | 2022–2024 | $2,021 | |
| 4L 8-cyl Hybrid | 17 / 22 | 2025–2026 | $2,021 | |
| 4L 8-cyl | 14.1 / 22 | 2015–2024 | $2,272 | |
| 6L 12-cyl | 12 / 19.5 | 2014–2020 | $2,648 |
What that actually costs
The Bentley Flying Spur burns a gallon every 17.3 miles, so 12,000 miles takes about 694 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.185 |
| Fuel per year | $2,220 |
| Fuel over five years | $11,100 |
| Against other V8 cars | −$165 a year |
| EPA's own estimate | $4,503 a year |
City or highway — who is this car for
The Bentley Flying Spur gives up 6.9 mpg the moment you leave the motorway — 21.7 out there against 14.8 in town, a 47% drop worth $825 a year. A wide gap punishes stop-and-start traffic; a narrow one means the car doesn't care where you drive it.
| Measure | Value | Reading |
|---|---|---|
| City | 14.8 mpg | $2,595 a year if you only drive in town |
| Highway | 21.7 mpg | $1,770 a year if you mostly commute |
| Gap | +6.9 mpg (47%) | Wide — this car dislikes traffic |
How the Flying Spur changed over the years
The Flying Spur peaked in 2026 at 19 mpg (17 city, 22 highway) and was at its thirstiest in 2014 at 14 — 5 mpg apart, or $722 a year in fuel between buying one year and the other. The 2026 car does 19. Jumps usually mark a new generation or a new engine; dips often mean a heavier body or added all-wheel drive.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 17 / 22 | 1 | $2,021 | |
| 2025 | 17 / 22 | 1 | $2,021 | |
| 2024 | 16 / 21 | 2 | $2,133 | |
| 2023 | 16 / 22 | 2 | $2,133 | |
| 2022 | 16 / 21 | 2 | $2,133 | |
| 2021 | 15 / 20 | 1 | $2,259 | |
| 2020 | 12 / 19 | 1 | $2,560 | |
| 2018 | 13 / 22 | 1 | $2,400 | |
| 2017 | 14 / 24 | 1 | $2,259 | |
| 2016 | 13 / 24 | 1 | $2,259 | |
| 2015 | 13 / 24 | 1 | $2,259 | |
| 2014 | 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 15 EPA ratings of the Bentley Flying Spur — 4 engines across 2014–2026. 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 $4,503. Full method.
Frequently asked questions
What mpg does the Bentley Flying Spur get?
17.3 mpg combined on average — 14.8 in the city and 21.7 on the highway, per EPA ratings across 2014–2026.
How much does a Bentley Flying Spur cost in fuel per year?
About $2,220 at 12,000 miles and $3.20 a gallon — roughly $11,100 over five years, or 0.185 dollars a mile.
Which Flying Spur engine is the most economical?
The 2.9L 6-cyl Hybrid at 19 mpg, against 14.5 for the 6L 12-cyl — a difference of about $627 a year.
Is the Flying Spur good on fuel compared with similar cars?
Against other V8 cars it sits above the average of 16.1 mpg, computed across 3323 ratings.
Are these real-world Flying Spur figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Bentley Flying Spur is $4,503 against the $2,220 we compute at 12,000 miles. Expect a little worse in practice: the spread between the 19 and 14 mpg versions of this car is smaller than the spread between two drivers of the same one.
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