2011 Audi A6 quattro
Fuel economy & running costsGasoline
#748 of 1,390 · Audi cars

2011 AudiA6 quattro

Midsize Cars · All-Wheel Drive · 3.0 L 6-cyl supercharged

21MPGcombined
18city
26highway
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

Combined MPG 21 MPGbest 39 · avg 21
Annual fuel cost $3,900best $600 · avg $3,742

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

The 2011 Audi A6 quattro is a gasoline car with all-wheel drive, a 3.0 L supercharged six-cylinder engine and an automatic transmission identified as S6. It is classified as a midsize car. Official fuel economy is 18 MPG in city driving, 26 MPG on the highway and 21 MPG combined. The listed EPA annual fuel cost is $3,900, while tailpipe emissions are 423.19 g of CO2 per mile. The base model is A6. For shoppers comparing fuel use, the city, highway and combined ratings provide separate measures, with the annual cost and emissions figures adding further running-impact context. This entry describes the 2011 A6 quattro configuration.

Who it is for

It suits buyers seeking a gasoline midsize car with all-wheel drive and a supercharged six-cylinder engine. Its separate city and highway MPG ratings help when comparing fuel use.

What is good

  • All-wheel drive
  • 26 MPG highway
  • 21 MPG combined
  • 3.0 L supercharged six-cylinder engine

What to know first

  • 18 MPG city fuel economy
  • $3,900 listed annual fuel cost
  • 423.19 g/mile tailpipe CO2

Verdict

The A6 quattro combines all-wheel drive with a supercharged 3.0 L six-cylinder engine. Its listed combined economy is 21 MPG, and the EPA annual fuel cost is $3,900.

Details

Model year
2011fueleconomy.gov · 3 Oct 2026

Efficiency

Combined MPG
21fueleconomy.gov · 3 Oct 2026
City MPG
18fueleconomy.gov · 3 Oct 2026
Highway MPG
26fueleconomy.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
All-Wheel Drivefueleconomy.gov · 3 Oct 2026

Powertrain

Engine
3.0 L 6-cyl superchargedfueleconomy.gov · 3 Oct 2026
Transmission
Automatic (S6)fueleconomy.gov · 3 Oct 2026
Fuel
Gasolinefueleconomy.gov · 3 Oct 2026

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Sources