2015 Audi A8 LFuel Economy & MPG Ratings
Diesel Large CarsAll-Wheel Drive
City
24
MPG
Highway
36
MPG
Combined
28
MPG
Trim Comparison
Automatic (S8)
Diesel Diesel
City
24
Hwy
36
Comb
28
Fuel cost: $3,000/yr
Automatic (S8)
Premium
City
19
Hwy
29
Comb
22
Fuel cost: $3,700/yr
Automatic (S8)
Premium
City
18
Hwy
29
Comb
21
Fuel cost: $3,900/yr
Automatic (S8)
Premium
City
13
Hwy
22
Comb
16
Fuel cost: $5,100/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S8) | Diesel Diesel | 24 | 36 | 28 | $3,000 |
| Automatic (S8) | Premium | 19 | 29 | 22 | $3,700 |
| Automatic (S8) | Premium | 18 | 29 | 21 | $3,900 |
| Automatic (S8) | Premium | 13 | 22 | 16 | $5,100 |
Annual Fuel Cost
$3,000
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-3,000
vs. average new vehicle
EPA Fuel Economy Score: 7/10
GHG Score: 6/10
Environment
- CO₂ Tailpipe Emissions
- 360 g/mile
- Annual Petroleum Consumption
- 12.8 barrels
Specifications
- Engine
- 6.3L 8-cyl
- Transmission
- 8-speed Automatic
- Drivetrain
- AWD
- Body Style
- Sedan
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 3L, 6-cylinder
- Efficiency Tech
- Auto Start-Stop
- Fuel Type
- Diesel
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$2,405/yr
California
$5.957/gal$3,191/yr
Texas
$3.888/gal$2,083/yr
Florida
$4.136/gal$2,216/yr
New York
$4.522/gal$2,423/yr
Ohio
$4.510/gal$2,416/yr
Washington
$5.591/gal$2,995/yr
Colorado
$4.618/gal$2,474/yr
Minnesota
$4.344/gal$2,327/yr
Massachusetts
$4.448/gal$2,383/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,405/yr | — |
| California | $5.957/gal | $3,191/yrHIGHEST | +$786 |
| Texas | $3.888/gal | $2,083/yrLOWEST | $-322 |
| Florida | $4.136/gal | $2,216/yr | $-189 |
| New York | $4.522/gal | $2,423/yr | +$18 |
| Ohio | $4.510/gal | $2,416/yr | +$11 |
| Washington | $5.591/gal | $2,995/yr | +$590 |
| Colorado | $4.618/gal | $2,474/yr | +$69 |
| Minnesota | $4.344/gal | $2,327/yr | $-78 |
| Massachusetts | $4.448/gal | $2,383/yr | $-22 |
Calculated at 15,000 miles/year (EPA standard assumption) using 28 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Audi A8 L MPG History
See how this model's fuel economy changed by year