2008 Audi A6 Avant quattroFuel Economy & MPG Ratings

Gasoline Midsize Station Wagons4-Wheel or All-Wheel Drive
2008 Audi A6 Avant quattro

Photo: Bull-Doser. Public domain. via Wikimedia Commons

City
17
MPG
Highway
25
MPG
Combined
20
MPG

Real-World MPG

Based on 1 owner report via EPA fueleconomy.gov

23.4MPG average+17.0% vs EPA label
EPA combined: 20 MPG · Owner reported avg: 23.4 MPG

Driving mix: City 30% / Highway 70%

Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.

Owner reported MPG for this vehicle averages 23.4 real world MPG based on 1 owner report. EPA combined rating is 20 MPG.

Trim Comparison

Automatic (S6)
Premium
City
17
Hwy
25
Comb
20
Fuel cost: $4,100/yr
Annual Fuel Cost
$4,100

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-8,500

vs. average new vehicle

EPA Fuel Economy Score: -1/10
GHG Score: -1/10

Environment

CO₂ Tailpipe Emissions
444 g/mile
Annual Petroleum Consumption
14.9 barrels

Specifications

Engine
3.1L 6-cyl
Transmission
6-speed Automatic
Drivetrain
AWD
Body Style
Wagon

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3.1L, 6-cylinder
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,368/yr
California
$5.957/gal$4,468/yr
Texas
$3.888/gal$2,916/yr
Florida
$4.136/gal$3,102/yr
New York
$4.522/gal$3,392/yr
Ohio
$4.510/gal$3,383/yr
Washington
$5.591/gal$4,193/yr
Colorado
$4.618/gal$3,464/yr
Minnesota
$4.344/gal$3,258/yr
Massachusetts
$4.448/gal$3,336/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 20 MPG combined. Regular gasoline prices. Actual costs vary.

Related

Audi A6 Avant quattro MPG History
See how this model's fuel economy changed by year

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