Against 344 other Hybrid cars rated 2024–2026, the A5 trails their 28 mpg average by 2 mpg, about $106 a year. Averaged over the years each was sold, the most economical engine since 2008, the 2L 4-cyl Hybrid (2021–2025), does 28.8 mpg and the thirstiest, the 3.2L 6-cyl (2008–2010), 20.7: $522 a year apart.
Every Audi A5 engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2L 4-cyl Hybrid | 25.4 / 34.4 | 2021–2025 | $1,333 | |
| 2L 4-cyl | 22.8 / 31.6 | 2010–2026 | $1,471 | |
| 3.2L 6-cyl | 17.7 / 26.7 | 2008–2010 | $1,855 |
What that actually costs
Against its rivals in the same model years, the Ford Mustang gets 22.5 mpg, next to 26 mpg for the 2026 A5. The A5 is the cheapest of them to run: $230 a year less than the Ford Mustang.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.123 |
| Fuel per year | $1,477 |
| Fuel over five years | $7,385 |
| Against other Hybrid cars, 2024–2026 | +$106 a year |
| EPA's own estimate | $2,993 a year |
City or highway — who is this car for
The 2026 Audi A5 gives up 10 mpg in town: 32 on the highway against 22 in the city, $545 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 | 32 mpg | $1,200 a year if you mostly commute |
| Gap | +10 mpg (45%) | Wide — this car dislikes traffic |
How the A5 changed over the years
The A5 peaked in 2024 at 30 mpg (26 city, 35 highway) and was at its thirstiest in 2009 at 20 — 10 mpg apart, or $640 a year in fuel between buying one year and the other. The 2026 car does 26.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 22 / 32 | 1 | $1,477 | |
| 2025 | 24 / 33.5 | 2 | $1,396 | |
| 2024 | 26 / 35 | 1 | $1,280 | |
| 2023 | 24 / 33 | 1 | $1,371 | |
| 2022 | 26 / 34 | 1 | $1,324 | |
| 2021 | 25 / 34 | 1 | $1,371 | |
| 2020 | 24 / 32 | 1 | $1,422 | |
| 2019 | 23 / 34 | 1 | $1,422 | |
| 2018 | 24 / 34 | 1 | $1,422 | |
| 2017 | 23 / 32 | 1 | $1,477 | |
| 2016 | 22 / 32 | 1 | $1,477 | |
| 2015 | 22 / 32 | 1 | $1,477 | |
| 2014 | 23 / 31 | 1 | $1,477 | |
| 2013 | 24 / 31 | 1 | $1,477 | |
| 2012 | 22 / 30 | 1 | $1,536 | |
| 2011 | 22 / 30 | 1 | $1,536 | |
| 2010 | 20.5 / 28.5 | 2 | $1,634 | |
| 2009 | 17 / 26 | 1 | $1,920 | |
| 2008 | 18 / 27 | 1 | $1,829 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 21 EPA ratings of the Audi A5 — 3 engines across 2008–2026. 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 $2,993. Full method.
Frequently asked questions
What mpg does the 2026 Audi A5 get?
26 mpg combined, 22 city and 32 highway, per EPA. Across every year since 2008 the A5 has averaged 26 mpg.
Is the 2026 A5 more efficient than the 2025?
No: 26 against 27.5 mpg combined, about $81 a year more to run.
Which A5 year has the best gas mileage?
The 2024, at 30 mpg combined (26 city, 35 highway).
Does the A5 get better gas mileage than the Ford Mustang?
Yes: 26 mpg for the 2026 A5 against 22.5 for the 2026 Ford Mustang, about $230 a year less to run.
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