The Acura ADX does 28 mpg combined (26 city, 31 highway), which works out to about $1,371 a year in fuel at $3.20 a gallon and 12,000 miles. Against other 4-cyl cars it sits above the average of 25.7 mpg.
Every Acura ADX engine, compared
The Acura ADX 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 |
|---|---|---|---|---|
| 1.5L 4-cyl | 26 / 31 | 2025–2026 | $1,371 |
What that actually costs
The Acura ADX burns a gallon every 28 miles, so 12,000 miles takes about 429 gallons a year. At $3.20 that is what the table below adds up to.
| Measure | Value |
|---|---|
| Cost per mile | $0.114 |
| Fuel per year | $1,371 |
| Fuel over five years | $6,855 |
| Against other 4-cyl cars | −$123 a year |
| EPA's own estimate | $2,750 a year |
City or highway — who is this car for
The Acura ADX gives up 5 mpg the moment you leave the motorway — 31 out there against 26 in town, a 19% drop worth $238 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 | 26 mpg | $1,477 a year if you only drive in town |
| Highway | 31 mpg | $1,239 a year if you mostly commute |
| Gap | +5 mpg (19%) | Typical for its type |
How the ADX changed over the years
Combined figure across the 2 model years the ADX was rated in, all of them at 28 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 26 / 31 | 1 | $1,371 | |
| 2025 | 26 / 31 | 1 | $1,371 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Acura ADX — 1 engine across 2025–2026. 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 $2,750. Full method.
Frequently asked questions
What mpg does the Acura ADX get?
28 mpg combined on average — 26 in the city and 31 on the highway, per EPA ratings across 2025–2026.
How much does a Acura ADX cost in fuel per year?
About $1,371 at 12,000 miles and $3.20 a gallon — roughly $6,855 over five years, or 0.114 dollars a mile.
Which ADX engine is the most economical?
The 1.5L 4-cyl at 28 mpg.
Is the ADX good on fuel compared with similar cars?
Against other 4-cyl cars it sits above the average of 25.7 mpg, computed across 4765 ratings.
Are these real-world ADX figures?
No — they are EPA laboratory ratings, the same ones printed on the window sticker, and EPA's own annual fuel estimate for the Acura ADX is $2,750 against the $1,371 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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