Audi A6 SedanvsBMW X6 M Competition
Audi A6 Sedan leads in City MPG (20 vs 13) and Highway MPG (29 vs 18) and 3 more.
Fuel Economy
20
City MPG
13
29
Highway MPG
18
23
Combined MPG
15
Engine & Drivetrain
6
Cylinders
8
3
Engine Displacement
4
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
387
CO₂ Emissions
589
3,000
Annual Fuel Cost
4,600
Midsize Cars
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).