- Newest year: 2021
- Hybrid
- Plug-in hybrid
- Large cars
2019-2021 Audi A8 MPG & Fuel Cost
3 model years · 18–22 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 large car configurations, MY2021. Ranked against all rated configurations, not sales-weighted.
2019-2021 Audi A8 at a glance
The 2019-2021 Audi A8 covers 3 model years in the EPA database (8 configurations in all), rated 18–22 MPG combined. The newest model year, 2021, costs about $3,910 a year to fuel for its most efficient version, the L 3.0L 6-cyl turbo AWD (21 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). Powertrains over the years: hybrid and plug-in hybrid. EPA changed the ratings in 2020 and 2021. The best combined rating in the generation, 22 MPG, was reached in 2019.
2019-2021 Audi A8 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2021 | Hybrid, Plug-in hybrid | 18–21 MPG | $2,690–$4,490 | Ratings changed |
| 2020 | Hybrid, Plug-in hybrid | 18–21 MPG | $2,680–$4,490 | Ratings changed |
| 2019 | Hybrid | 18–22 MPG | $3,680–$4,490 | First year |
What the 2021 L 3.0L 6-cyl turbo AWD costs to drive
Per month
$326
$3,910 a year ÷ 12
Per 25 miles
$6.52
Per 100 miles
$26.07
Five years
$19,550
5 × the yearly cost, prices held at today's level
vs the large car median
$680more a year
Class median $3,230 a year, MY2021
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Audi A8 MPG
Versus 2020: The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,910.
On electricity 53 MPGe, with 18 miles of electric range.
See plug-in hybrid configurationsHybrid configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| L 3.0L 6-cyl turbo (Most efficient) | 3.0L 6-cyl turbo | AWD | 17 | 26 | 21 | $3,910 |
| L 4.0L 8-cyl turbo | 4.0L 8-cyl turbo | AWD | 15 | 23 | 18 | $4,490 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| L (Most efficient) | AWD | 23 | 53 | 18 mi | $2,690 |
Cost assumes EPA's utility factor: 46% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2020 Audi A8 MPG
18–21 MPG · $2,680–$4,490/yr
Versus 2019: The most efficient configuration moves from 22 to 21 MPG, down 1. Its annual cost goes from $3,680 to $3,910, $230 more.
On electricity 54 MPGe, with 17 miles of electric range.
See plug-in hybrid configurationsHybrid configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| L 3.0L 6-cyl turbo (Most efficient) | 3.0L 6-cyl turbo | AWD | 17 | 26 | 21 | $3,910 |
| L 4.0L 8-cyl turbo | 4.0L 8-cyl turbo | AWD | 15 | 23 | 18 | $4,490 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| L (Most efficient) | AWD | 23 | 54 | 17 mi | $2,680 |
Cost assumes EPA's utility factor: 46% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2019 Audi A8 MPG
18–22 MPG · $3,680–$4,490/yr
Hybrid configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| L 3.0L 6-cyl turbo (Most efficient) | 3.0L 6-cyl turbo | AWD | 19 | 27 | 22 | $3,680 |
| L 4.0L 8-cyl turbo | 4.0L 8-cyl turbo | AWD | 15 | 23 | 18 | $4,490 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the L 3.0L 6-cyl turbo AWD: $4,660 in California and $3,390 in Texas, a $1,270 difference.
- California $4,660
- Washington $4,390
- New York $3,860
- Florida $3,570
- Texas $3,390
Similar cars
Closest combined MPG among MY2021 large car models.
Generations
- 2000-2002 (D2)
- 2003-2009 (D3)
- 2010-2017 (D4)
- 2018
- 2019-2021
- 2022
- 2023-2027*
Frequently asked questions
What gas mileage does the 2019-2021 Audi A8 get?
EPA rates the 2019-2021 Audi A8 at 18–22 MPG combined across 8 configurations and 3 model years. The most efficient version, the 2019 L 3.0L 6-cyl turbo AWD, is rated 22 MPG (19 city, 27 highway). By powertrain: Hybrid: 18–22 MPG; Plug-in hybrid: 23 MPG.
Which years had the best MPG in the 2019-2021 Audi A8?
The L 3.0L 6-cyl turbo AWD reached the generation's best combined rating, 22 MPG, in 2019. The lowest top rating, 21 MPG, was in 2020 and 2021.
Did EPA ratings change during the 2019-2021 Audi A8?
Yes. Ratings changed in 2020 and 2021.
How does the 2019-2021 Audi A8 compare with the previous generation?
The previous generation (2018 Audi A8) is rated 19–22 MPG combined and costs $3,600–$4,240 a year to fuel; the 2019-2021 model is rated 18–22 MPG and costs $2,680–$4,490 a year.
How much does it cost to fuel a 2021 Audi A8 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the L 3.0L 6-cyl turbo AWD costs about $3,910 a year. Across all 3 configurations the cost runs $2,690–$4,490 a year. That is a $1,800 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2021 Audi A8 100 miles?
About $26.07 per 100 miles for the L 3.0L 6-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $17.93 and $29.93 across all configurations. That is the annual cost over 15,000 miles divided by 150.
How does the 2021 Audi A8 compare with other large car configurations?
The L 3.0L 6-cyl turbo AWD costs about $3,910 a year to fuel, $680 more than the class median of $3,230, and less than 4 of 10 large car configurations. The comparison covers all 83 rated large car configurations for MY2021, not weighted by sales.
How far does the 2021 Audi A8 plug-in hybrid go on electricity?
EPA rates the electric range at 18 miles, with a total range of 420 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 23 MPG. The L 3.0L 6-cyl turbo AWD costs about $2,690 a year, assuming EPA's utility factor of 46% of miles on electricity, at premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).
Is the 2021 Audi A8 different from the 2020 model?
The most efficient configuration stays at 21 MPG. Its annual cost stays at $3,910. EPA lists 3 configurations for 2021 against 3 configurations for 2020. See the 2020 Audi A8 for that year.