BMW Z4 M40ivsRolls-Royce Ghost Black Badge
BMW Z4 M40i leads in City MPG (23 vs 12) and Highway MPG (29 vs 19) and 3 more.
Fuel Economy
23
City MPG
12
29
Highway MPG
19
25
Combined MPG
14
Engine & Drivetrain
6
Cylinders
12
3
Engine Displacement
7
RWD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
346
CO₂ Emissions
609
2,750
Annual Fuel Cost
4,950
Two Seaters
Vehicle Class
Large Cars
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).