Against 344 other Hybrid cars rated 2024–2026, the A6 allroad trails their 28 mpg average by 4 mpg, about $229 a year.
Every Audi A6 allroad engine, compared
The Audi A6 allroad 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 |
|---|---|---|---|---|
| 3L 6-cyl Hybrid | 21 / 28.6 | 2020–2026 | $1,627 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.133 |
| Fuel per year | $1,600 |
| Fuel over five years | $8,000 |
| Against other Hybrid cars, 2024–2026 | +$229 a year |
| EPA's own estimate | $3,279 a year |
City or highway — who is this car for
The 2026 Audi A6 allroad gives up 9 mpg in town: 30 on the highway against 21 in the city, $549 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 21 mpg | $1,829 a year if you only drive in town |
| Highway | 30 mpg | $1,280 a year if you mostly commute |
| Gap | +9 mpg (43%) | Wide — this car dislikes traffic |
How the A6 allroad changed over the years
The A6 allroad peaked in 2025 at 25 mpg (22 city, 30 highway) and was at its thirstiest in 2021 at 22 — 3 mpg apart, or $209 a year in fuel between buying one year and the other. The 2026 car does 24.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 21 / 30 | 1 | $1,600 | |
| 2025 | 22 / 30 | 1 | $1,536 | |
| 2024 | 22 / 30 | 1 | $1,536 | |
| 2023 | 21 / 30 | 1 | $1,600 | |
| 2022 | 21 / 28 | 1 | $1,670 | |
| 2021 | 20 / 26 | 1 | $1,745 | |
| 2020 | 20 / 26 | 1 | $1,745 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 7 EPA ratings of the Audi A6 allroad — 1 engine across 2020–2026. 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 $3,279. Full method.
Frequently asked questions
What mpg does the 2026 Audi A6 allroad get?
24 mpg combined, 21 city and 30 highway, per EPA. Across every year since 2020 the A6 allroad has averaged 23.6 mpg.
Is the 2026 A6 allroad more efficient than the 2025?
No: 24 against 25 mpg combined, about $64 a year more to run.
Which A6 allroad year has the best gas mileage?
The 2025, at 25 mpg combined (22 city, 30 highway).
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