Against 381 other 4-cyl cars rated 2024–2026, the ADX beats their 26.3 mpg average by 1.7 mpg, about $89 a year.
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
Against its rivals in the same model years, the Buick Envista gets 30 mpg, the Kia Niro 50.5 mpg and the Volvo V60 28.5 mpg, next to 28 mpg for the 2026 ADX. The ADX costs the most of them to run: $611 a year more than the Kia Niro.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.114 |
| Fuel per year | $1,371 |
| Fuel over five years | $6,855 |
| Against other 4-cyl cars, 2024–2026 | −$89 a year |
| EPA's own estimate | $2,750 a year |
City or highway — who is this car for
The 2026 Acura ADX gives up 5 mpg in town: 31 on the highway against 26 in the city, $238 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 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 2026 Acura ADX get?
28 mpg combined, 26 city and 31 highway, per EPA. Across every year since 2025 the ADX has averaged 28 mpg.
Is the 2026 ADX more efficient than the 2025?
About the same: 28 against 28 mpg combined.
Does the ADX get better gas mileage than the Buick Envista?
No: 28 mpg for the 2026 ADX against 30 for the 2026 Buick Envista, about $91 a year more to run.
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