Audi A6 SedanvsGMC Sierra Cab Chassis 2WD
Audi A6 Sedan leads in City MPG (20 vs 15) and Highway MPG (29 vs 18) and 3 more.
Fuel Economy
20
City MPG
15
29
Highway MPG
18
23
Combined MPG
16
Engine & Drivetrain
6
Cylinders
8
3
Engine Displacement
5
AWD
Drive Type
RWD
Automatic
Transmission
Automatic
Premium Gasoline
Fuel Type
Regular Gasoline
Emissions & Cost
387
CO₂ Emissions
551
3,000
Annual Fuel Cost
3,750
Midsize Cars
Vehicle Class
Special Purpose Vehicle 2WD
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Data sourced from EPA Fuel Economy Data (Public Domain (U.S. Government)).