Audi A8 quattro MPG by year — every rating on record
The Audi A8 quattro has a combined EPA fuel economy rating for 8 model years, from 1999 to 2027. Across those years its best rated version returned 22 mpg (2024) and its thirstiest returned 18 mpg (1999). The EPA record holds 8 configurations for this nameplate, most recently a Large Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 1999 | 1 | 18 mpg | 18 mpg | #39 of 56 (31th pct) | 4-Wheel or All-Wheel Drive | Premium | Midsize Cars |
| 2000 | 1 | 18 mpg | 18 mpg | #37 of 51 (28th pct) | 4-Wheel or All-Wheel Drive | Premium | Midsize Cars |
| 2001 | 1 | 18 mpg | 18 mpg | #38 of 54 (30th pct) | 4-Wheel or All-Wheel Drive | Premium | Midsize Cars |
| 2002 | 1 | 18 mpg | 18 mpg | #41 of 52 (22th pct) | 4-Wheel or All-Wheel Drive | Premium | Midsize Cars |
| 2024 | 1 | 22 mpg | 22 mpg | #39 of 56 (31th pct) | All-Wheel Drive | Premium | Large Cars |
| 2025 | 1 | 22 mpg | 22 mpg | #41 of 58 (30th pct) | All-Wheel Drive | Premium | Large Cars |
| 2026 | 1 | 22 mpg | 22 mpg | #44 of 60 (27th pct) | All-Wheel Drive | Premium | Large Cars |
| 2027 | 1 | 22 mpg | 22 mpg | #26 of 35 (26th pct) | All-Wheel Drive | Premium | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Audi A8 quattro placed highest in 2027 at #26 of 35, and lowest in 2026 at #44 of 60. It spent 0 of its 8 ranked years in the top half of its class.
Every configuration on record
All 8 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2027 | 3.0L 6-cyl All-Wheel Drive Automatic (S8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 414 | 4/10 |
| 2026 | 3.0L 6-cyl All-Wheel Drive Automatic (S8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 27 | 22 | 522.7 | 13.5 | $3,500 | 414 | 4/10 |
| 2025 | 3.0L 6-cyl All-Wheel Drive Automatic (S8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 20 | 26 | 22 | 522.7 | 13.5 | $3,500 | 414 | 5/10 |
| 2024 | 3.0L 6-cyl All-Wheel Drive Automatic (S8) Premium | SIDI; Mild Hybrid, turbocharged, Hybrid, start-stop | 19 | 28 | 22 | 522.7 | 13.5 | $3,500 | 400 | 5/10 |
| 2002 | 4.2L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.2L 8-cyl | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2001 | 4.2L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.2L 8-cyl | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 2000 | 4.2L 8-cyl 4-Wheel or All-Wheel Drive Automatic 5-spd Premium | 4.2L 8-cyl | 15 | 22 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
| 1999 | 4.2L 8-cyl 4-Wheel or All-Wheel Drive Automatic 5-spd Premium | 4.2L 8-cyl | 15 | 23 | 18 | 638.9 | 16.5 | $4,300 | 493.72222222222223 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2002 → 2024 | 18 → 22 mpg | +4 mpg | 523 gal |
What A8 quattro fuel costs over a year
At the EPA's 11,500 miles a year, the 2027 Audi A8 quattro burns 523 to 523 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,568 | $1,568 | $0 |
| $3.50/gal | $1,830 | $1,830 | $0 |
| $4.00/gal | $2,091 | $2,091 | $0 |
EPA’s own estimate for the 2027 model year is $3,500 to $3,500 a year in fuel, or $6,250 more than the average new vehicle over five years.
How it compares with other Midsize Cars
Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 22 mpg the Audi A8 quattro is 3 mpg below the median, which is worth about $220 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Audi nameplates
Every Audi model compared → — all nameplates ranked by best combined rating, with what each one costs a year.