2025 GMC Sierra 1500 MPG & Gas Mileage Data

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Miles per Year

Your Driving Habits

55%

City

45%

Highway

Cost to Drive

$261/mo

Sierra 1500 SLT

$242/mo

Avg. Truck

Monthly estimates based on costs in Arizona

Est. Combined City/Hwy

17 MPG

15 City

19 Highway

Tailpipe Emissions

8.7 tons CO2

Sierra 1500 SLT

7.5 tons

Avg. Large Truck

Yearly estimate based on your driving miles.

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Build Your 2025 Sierra 1500

At a Glance:

5 Colors
1 Trim
8 Packages
$65,400starting MSRP

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*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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2025 GMC Sierra 1500 MPG & Gas Mileage Data

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Est. Combined City/Hwy

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