BMW X3 M50vsBMW Z4 M40i
BMW X3 M50 leads in City MPG (25 vs 23) and Highway MPG (30 vs 29) and 3 more.
Fuel Economy
25
City MPG
23
30
Highway MPG
29
27
Combined MPG
25
Engine & Drivetrain
6
Cylinders
6
3
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
320
CO₂ Emissions
346
2,550
Annual Fuel Cost
2,750
Small Sport Utility Vehicle 4WD
Vehicle Class
Two Seaters
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).