2026 GMC Sierra 4WD (Flex Fuel) vs Chevrolet Colorado Zr2 — Side by Side Comparison

How does the 2026 GMC Sierra 4WD (Flex Fuel) compare to the Chevrolet Colorado Zr2? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeatureGMC Sierra 4WD (Flex Fuel)Chevrolet Colorado Zr2
Combined MPG1717
City MPG1517
Highway MPG1917
Body StyleTruckTruck
Drive4WD4WD
Fuel TypeFlex FuelRegular
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available11

Fuel Economy

The Chevrolet Colorado Zr2 is more fuel efficient by 0 MPG combined. Over a year, the Chevrolet Colorado Zr2 saves approximately $0 in fuel costs.

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