The Aston Martin DB12 does 17 mpg combined (14.7 city, 21.7 highway), which works out to about $2,259 a year in fuel at $3.20 a gallon and 12,000 miles. Against other V8 cars it sits above the average of 16.1 mpg.
Every Aston Martin DB12 engine, compared
The Aston Martin DB12 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 |
|---|---|---|---|---|
| 4L 8-cyl | 14.7 / 21.7 | 2024–2026 | $2,259 |
What that actually costs
The Aston Martin DB12 burns a gallon every 17 miles, so 12,000 miles takes about 706 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.188 |
| Fuel per year | $2,259 |
| Fuel over five years | $11,295 |
| Against other V8 cars | −$126 a year |
| EPA's own estimate | $4,550 a year |
City or highway — who is this car for
The Aston Martin DB12 gives up 7 mpg the moment you leave the motorway — 21.7 out there against 14.7 in town, a 48% drop worth $842 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 | 14.7 mpg | $2,612 a year if you only drive in town |
| Highway | 21.7 mpg | $1,770 a year if you mostly commute |
| Gap | +7 mpg (48%) | Wide — this car dislikes traffic |
How the DB12 changed over the years
Combined figure across the 3 model years the DB12 was rated in, all of them at 17 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 14 / 21 | 1 | $2,259 | |
| 2025 | 15 / 22 | 1 | $2,259 | |
| 2024 | 15 / 22 | 1 | $2,259 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 3 EPA ratings of the Aston Martin DB12 — 1 engine across 2024–2026. 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 $4,550. Full method.
Frequently asked questions
What mpg does the Aston Martin DB12 get?
17 mpg combined on average — 14.7 in the city and 21.7 on the highway, per EPA ratings across 2024–2026.
How much does a Aston Martin DB12 cost in fuel per year?
About $2,259 at 12,000 miles and $3.20 a gallon — roughly $11,295 over five years, or 0.188 dollars a mile.
Which DB12 engine is the most economical?
The 4L 8-cyl at 17 mpg.
Is the DB12 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 DB12 figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Aston Martin DB12 is $4,550 against the $2,259 we compute at 12,000 miles. Expect a little worse in practice: the spread between the city and highway figures is smaller than the spread between two drivers of the same one.
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