Audi RS 6 AvantvsBMW X6 M Competition
Audi RS 6 Avant leads in City MPG (14 vs 13) and Highway MPG (21 vs 18) and 3 more.
Fuel Economy
14
City MPG
13
21
Highway MPG
18
16
Combined MPG
15
Engine & Drivetrain
8
Cylinders
8
4
Engine Displacement
4
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
545
CO₂ Emissions
589
4,300
Annual Fuel Cost
4,600
Midsize Station Wagons
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).