2019 GMC Sierra K10

Truck Regular
GMC Sierra K10 2019
20MPG Combined
7 Trims
2019
Updated February 27, 2026

The 2019 GMC Sierra K10 Truck provides 16–20 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2019 GMC Sierra K10 Specifications

SpecValue
Combined MPG16–20 combined MPG depending on trim
City MPG19
Highway MPG22
Body StyleTruck
Fuel TypeRegular
Drive4WD
Available Trims7

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Auto15/21/175.3L 8cylAutomatic 8-spd
Auto15/20/176.2L 8cylAutomatic 10-spd
Sport19/22/202.7L 4cylAutomatic 8-spd
Auto15/19/165.3L 8cylAutomatic 6-spd
Auto15/20/175.3L 8cylAutomatic 6-spd
Auto18/20/192.7L 4cylAutomatic 8-spd
Auto15/20/174.3L 6cylAutomatic 6-spd

Annual Fuel Cost

Based on EPA estimates, the 2019 GMC Sierra K10 costs approximately $2,642 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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Other Model Years

  • 2019 (this page)

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