Audi S8vsBMW X7 xDrive40i
BMW X7 xDrive40i leads in City MPG (21 vs 15) and Highway MPG (25 vs 24) and 3 more.
Fuel Economy
15
City MPG
21
24
Highway MPG
25
18
Combined MPG
23
Engine & Drivetrain
8
Cylinders
6
4
Engine Displacement
3
AWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
502
CO₂ Emissions
387
3,850
Annual Fuel Cost
3,000
Large Cars
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).