Fuel economy & running costsGasoline
21MPGcombined
18city
27highway
A year of fuel$3,900
CO₂ from the tailpipe423.2 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 1,390 audi cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
2008 Audi A6 by Audi. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 2008fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 21fueleconomy.gov · 3 Oct 2026
- City MPG
- 18fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 27fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $3,900fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 423.2 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- Carfueleconomy.gov · 3 Oct 2026
- EPA class
- Midsize Carsfueleconomy.gov · 3 Oct 2026
- Drive
- Front-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 3.1 L 6-cylfueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic (variable gear ratios)fueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More audi cars
See the list
#1 2027 · Audi A3 quattro 28Combined MPG $2,950Fuel / year 
#2 2027 · Audi A5 quattro 26Combined MPG $3,150Fuel / year 
#3 2027 · Audi A6 e-tron 348 miEPA range $700Fuel / year #4 2027 · Audi A6 e-tron quattro 327 miEPA range $700Fuel / year #5 2027 · Audi A6 e-tron quattro ultra 360 miEPA range $650Fuel / year #6 2027 · Audi A6 e-tron ultra 395 miEPA range $600Fuel / year Listed on CarCody
- Audi Cars: Every Model and Year With MPG1390 listed
Sources
- fueleconomy.gov/feg/noframes/24349.shtml· checked 3 Oct 2026