Audi Q8 quattrovsBMW 840i Coupe
BMW 840i Coupe leads in City MPG (21 vs 17) and Highway MPG (29 vs 23) and 3 more.
Fuel Economy
17
City MPG
21
23
Highway MPG
29
19
Combined MPG
24
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
459
CO₂ Emissions
368
3,650
Annual Fuel Cost
2,900
Standard Sport Utility Vehicle 4WD
Vehicle Class
Subcompact Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).