Audi S8vsGMC Sierra 2WD
GMC Sierra 2WD leads in City MPG (18 vs 15) and Combined MPG (20 vs 18) and 2 more, while Audi S8 leads in Highway MPG (24 vs 21).
Fuel Economy
15
City MPG
18
24
Highway MPG
21
18
Combined MPG
20
Engine & Drivetrain
8
Cylinders
4
4
Engine Displacement
3
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Regular Gasoline
Emissions & Cost
502
CO₂ Emissions
464
3,850
Annual Fuel Cost
3,000
Large Cars
Vehicle Class
Standard Pickup Trucks 2WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).