Against 254 other Hybrid cars rated 2025–2027, the A8 trails their 28 mpg average by 6 mpg, about $374 a year. Averaged over the years each was sold, the most economical engine since 1997, the 3L 6-cyl (2013–2018), does 22.7 mpg and the thirstiest, the 3.7L 8-cyl (1997–1999), 18: $441 a year apart.
Every Audi A8 engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 3L 6-cyl | 19.5 / 29.8 | 2013–2018 | $1,692 | |
| 3L 6-cyl Hybrid | 19.5 / 27 | 2019–2027 | $1,730 | |
| 4L 8-cyl | 17.3 / 28.3 | 2013–2018 | $1,811 | |
| 4.2L 8-cyl | 15.9 / 23.4 | 2000–2012 | $2,076 | |
| 3.7L 8-cyl | 15 / 24 | 1997–1999 | $2,133 |
What that actually costs
Against its rivals in the same model years, the Dodge Charger gets 20 mpg, the Kia K5 30 mpg and the Genesis G90 20.5 mpg, next to 22 mpg for the 2027 A8.
| Measure | Value |
|---|---|
| Cost per mile (2027) | $0.145 |
| Fuel per year | $1,745 |
| Fuel over five years | $8,725 |
| Against other Hybrid cars, 2025–2027 | +$374 a year |
| EPA's own estimate | $3,900 a year |
City or highway — who is this car for
The 2027 Audi A8 gives up 8 mpg in town: 27 on the highway against 19 in the city, $599 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2027) | 19 mpg | $2,021 a year if you only drive in town |
| Highway | 27 mpg | $1,422 a year if you mostly commute |
| Gap | +8 mpg (42%) | Wide — this car dislikes traffic |
How the A8 changed over the years
The A8 peaked in 2016 at 25 mpg (21 city, 32.5 highway) and was at its thirstiest in 2010 at 18 — 7 mpg apart, or $597 a year in fuel between buying one year and the other. The 2027 car does 22. The biggest single-year change came in 2017: 25 to 22 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2027 | 19 / 27 | 1 | $1,745 | |
| 2026 | 19 / 27 | 1 | $1,745 | |
| 2025 | 20 / 26 | 1 | $1,745 | |
| 2024 | 19 / 28 | 1 | $1,745 | |
| 2020 | 21 / 27 | 1 | $1,670 | |
| 2019 | 19 / 27 | 1 | $1,745 | |
| 2018 | 17.5 / 27.5 | 2 | $1,873 | |
| 2017 | 18.5 / 29 | 2 | $1,745 | |
| 2016 | 21 / 32.5 | 2 | $1,536 | |
| 2015 | 18.5 / 29.5 | 2 | $1,745 | |
| 2014 | 17.5 / 28 | 2 | $1,829 | |
| 2013 | 17.5 / 28 | 2 | $1,829 | |
| 2012 | 18 / 28 | 1 | $1,829 | |
| 2011 | 17 / 27 | 1 | $1,829 | |
| 2010 | 16 / 23 | 1 | $2,133 | |
| 2009 | 16 / 23 | 1 | $2,133 | |
| 2008 | 16 / 23 | 1 | $2,133 | |
| 2007 | 16 / 23 | 1 | $2,133 | |
| 2006 | 16 / 22 | 1 | $2,133 | |
| 2005 | 16 / 22 | 1 | $2,133 | |
| 2004 | 16 / 22 | 1 | $2,133 | |
| 2003 | 15 / 23 | 1 | $2,133 | |
| 2002 | 15 / 23 | 1 | $2,133 | |
| 2001 | 15 / 23 | 1 | $2,133 | |
| 2000 | 15 / 22 | 1 | $2,133 | |
| 1999 | 15 / 24 | 1 | $2,133 | |
| 1998 | 15 / 24 | 1 | $2,133 | |
| 1997 | 15 / 24 | 1 | $2,133 |
MPG is a number. Dollars per year is the answer.
- Fuel profile built from your actual mileage and local prices
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- Insurance and fuel folded into 5-year cost to own
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How we count
This page rests on 34 EPA ratings of the Audi A8 — 5 engines across 1997–2027. 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 $3,900. Full method.
Frequently asked questions
What mpg does the 2027 Audi A8 get?
22 mpg combined, 19 city and 27 highway, per EPA. Across every year since 1997 the A8 has averaged 20.3 mpg.
Is the 2027 A8 more efficient than the 2026?
About the same: 22 against 22 mpg combined.
Which A8 year has the best gas mileage?
The 2016, at 25 mpg combined (21 city, 32.5 highway).
Does the A8 get better gas mileage than the Dodge Charger?
Yes: 22 mpg for the 2027 A8 against 20 for the 2026 Dodge Charger, about $175 a year less to run.
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