Used 2021 GMC Sierra 1500 MPG & Gas Mileage Data

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1 of 388
55%
City
45%
Highway

Cost to Drive

$199/mo
Sierra 1500 AT4
vs
$216/mo
Avg. Truck
Monthly estimates based on costs in Georgia

Est. Combined City/Hwy

18 MPG
16 City
21 Highway

Tailpipe Emissions

8.1 tons CO2
Sierra 1500 AT4
vs
7.5 tons
Avg. Large Truck
Yearly estimate based on your driving miles.
Learn more about 2021 GMC Sierra 1500
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Build Your 2025 Sierra 1500
At a Glance:
  • 1 Trim
  • $65,400starting MSRP
Build & Price GMC.com
*The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
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