Against 381 other 4-cyl cars rated 2024–2026, the Q3 trails their 26.3 mpg average by 1.3 mpg, about $76 a year.
Every Audi Q3 engine, compared
The Audi Q3 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 |
|---|---|---|---|---|
| 2L 4-cyl | 20.9 / 28.5 | 2015–2026 | $1,607 |
What that actually costs
Against its rivals in the same model years, the Toyota RAV4 gets 37.5 mpg, the Jeep Wrangler 18.8 mpg and the Honda CR-V 35 mpg, next to 25 mpg for the 2026 Q3.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.128 |
| Fuel per year | $1,536 |
| Fuel over five years | $7,680 |
| Against other 4-cyl cars, 2024–2026 | +$76 a year |
| EPA's own estimate | $2,883 a year |
City or highway — who is this car for
The 2026 Audi Q3 gives up 7 mpg in town: 29 on the highway against 22 in the city, $421 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 22 mpg | $1,745 a year if you only drive in town |
| Highway | 29 mpg | $1,324 a year if you mostly commute |
| Gap | +7 mpg (32%) | Wide — this car dislikes traffic |
How the Q3 changed over the years
The Q3 peaked in 2022 at 26 mpg (23 city, 30 highway) and was at its thirstiest in 2020 at 22 — 4 mpg apart, or $268 a year in fuel between buying one year and the other. The 2026 car does 25. The biggest single-year change came in 2021: 22 to 25 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 22 / 29 | 1 | $1,536 | |
| 2025 | 22 / 29 | 1 | $1,536 | |
| 2024 | 22 / 29 | 1 | $1,536 | |
| 2023 | 22 / 29 | 1 | $1,536 | |
| 2022 | 23 / 30 | 1 | $1,477 | |
| 2021 | 22 / 30 | 1 | $1,536 | |
| 2020 | 19 / 27 | 1 | $1,745 | |
| 2019 | 19 / 27 | 1 | $1,745 | |
| 2018 | 20 / 28 | 1 | $1,670 | |
| 2017 | 20 / 28 | 1 | $1,670 | |
| 2016 | 20 / 28 | 1 | $1,670 | |
| 2015 | 20 / 28 | 1 | $1,670 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 12 EPA ratings of the Audi Q3 — 1 engine across 2015–2026. 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 $2,883. Full method.
Frequently asked questions
What mpg does the 2026 Audi Q3 get?
25 mpg combined, 22 city and 29 highway, per EPA. Across every year since 2015 the Q3 has averaged 23.9 mpg.
Is the 2026 Q3 more efficient than the 2025?
About the same: 25 against 25 mpg combined.
Which Q3 year has the best gas mileage?
The 2022, at 26 mpg combined (23 city, 30 highway).
Does the Q3 get better gas mileage than the Toyota RAV4?
No: 25 mpg for the 2026 Q3 against 37.5 for the 2026 Toyota RAV4, about $512 a year more to run.
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