2026 GMC Sierra 2WD 3M

Truck Regular
GMC Sierra 2WD 3M 2026
20MPG Combined
1 Trim
2026
Updated February 27, 2026

The 2026 GMC Sierra 2WD 3M is a Truck that delivers 20 combined MPG. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2026 GMC Sierra 2WD 3M Specifications

SpecValue
Combined MPG20 combined MPG
City MPG18
Highway MPG21
Body StyleTruck
Fuel TypeRegular
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2026 GMC Sierra 2WD 3M costs approximately $2,200 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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Other Model Years

  • 2026 (this page)

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