Against 344 other Hybrid cars rated 2024–2026, the RS 7 trails their 28 mpg average by 12 mpg, about $1,029 a year. Averaged over the years each was sold, the most economical engine since 2014, the 4L 8-cyl (2014–2018), does 18 mpg and the thirstiest, the 4L 8-cyl Hybrid (2021–2026), 16.8: $153 a year apart.
Every Audi RS 7 engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 4L 8-cyl | 14.4 / 25.2 | 2014–2018 | $2,133 | |
| 4L 8-cyl Hybrid | 14.3 / 21.5 | 2021–2026 | $2,286 |
What that actually costs
Against its rivals in the same model years, the BMW M5 gets 14 mpg, the Cadillac CT5 21 mpg and the Bentley Flying Spur 19 mpg, next to 16 mpg for the 2026 RS 7.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.200 |
| Fuel per year | $2,400 |
| Fuel over five years | $12,000 |
| Against other Hybrid cars, 2024–2026 | +$1,029 a year |
| EPA's own estimate | $4,459 a year |
City or highway — who is this car for
The 2026 Audi RS 7 gives up 7 mpg in town: 21 on the highway against 14 in the city, $914 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 14 mpg | $2,743 a year if you only drive in town |
| Highway | 21 mpg | $1,829 a year if you mostly commute |
| Gap | +7 mpg (50%) | Wide — this car dislikes traffic |
How the RS 7 changed over the years
The RS 7 peaked in 2014 at 19 mpg (15 city, 27 highway) and was at its thirstiest in 2026 at 16 — 3 mpg apart, or $379 a year in fuel between buying one year and the other. The 2026 car does 16.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 14 / 21 | 1 | $2,400 | |
| 2025 | 14 / 21 | 1 | $2,259 | |
| 2024 | 14 / 22 | 1 | $2,259 | |
| 2023 | 14 / 21 | 1 | $2,259 | |
| 2022 | 15 / 22 | 1 | $2,259 | |
| 2021 | 15 / 22 | 1 | $2,259 | |
| 2018 | 14 / 24 | 1 | $2,259 | |
| 2017 | 15 / 25 | 1 | $2,133 | |
| 2016 | 14 / 25 | 1 | $2,133 | |
| 2015 | 14 / 25 | 1 | $2,133 | |
| 2014 | 15 / 27 | 1 | $2,021 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 11 EPA ratings of the Audi RS 7 — 2 engines across 2014–2026. 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 $4,459. Full method.
Frequently asked questions
What mpg does the 2026 Audi RS 7 get?
16 mpg combined, 14 city and 21 highway, per EPA. Across every year since 2014 the RS 7 has averaged 17.4 mpg.
Is the 2026 RS 7 more efficient than the 2025?
No: 16 against 17 mpg combined, about $141 a year more to run.
Which RS 7 year has the best gas mileage?
The 2014, at 19 mpg combined (15 city, 27 highway).
Does the RS 7 get better gas mileage than the BMW M5?
Yes: 16 mpg for the 2026 RS 7 against 14 for the 2026 BMW M5, about $343 a year less to run.
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