Audi RS 6 AvantvsGMC Sierra Cab Chassis 4WD
Audi RS 6 Avant leads in Highway MPG (21 vs 16) and Combined MPG (16 vs 15) and 1 more, while GMC Sierra Cab Chassis 4WD leads in Annual Fuel Cost (4,000 vs 4,300).
Fuel Economy
14
City MPG
14
21
Highway MPG
16
16
Combined MPG
15
Engine & Drivetrain
8
Cylinders
8
4
Engine Displacement
5
AWD
Drive Type
4WD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Regular Gasoline
Emissions & Cost
545
CO₂ Emissions
592
4,300
Annual Fuel Cost
4,000
Midsize Station Wagons
Vehicle Class
Special Purpose Vehicle 4WD
Similar Comparisons to Audi RS 6 Avant vs GMC Sierra Cab Chassis 4WD
More comparisons with Audi RS 6 Avant
More comparisons with GMC Sierra Cab Chassis 4WD
Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).