GMC Sierra 4WD AT4XvsRolls-Royce Cullinan
GMC Sierra 4WD AT4X leads in City MPG (14 vs 12) and Combined MPG (15 vs 14) and 2 more, while Rolls-Royce Cullinan leads in Highway MPG (19 vs 16).
Fuel Economy
14
City MPG
12
16
Highway MPG
19
15
Combined MPG
14
Engine & Drivetrain
8
Cylinders
12
6
Engine Displacement
7
4WD
Drive Type
AWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
601
CO₂ Emissions
609
4,600
Annual Fuel Cost
4,950
Standard Pickup Trucks 4WD
Vehicle Class
Standard Sport Utility Vehicle 4WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).