GMC Sierra 4WD (Flex Fuel)vsPorsche Cayenne S
Porsche Cayenne S leads in City MPG (16 vs 15) and Highway MPG (21 vs 19) and 2 more, while GMC Sierra 4WD (Flex Fuel) leads in Annual Fuel Cost (3,500 vs 3,850).
Fuel Economy
15
City MPG
16
19
Highway MPG
21
17
Combined MPG
18
Engine & Drivetrain
8
Cylinders
8
5
Engine Displacement
4
4WD
Drive Type
AWD
Automatic
Transmission
Automatic
Regular Gasoline
Fuel Type
Premium Gasoline
Emissions & Cost
524
CO₂ Emissions
492
3,500
Annual Fuel Cost
3,850
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)).