Based on data from 170 vehicles, 16,447 fuel-ups and 4,865,647 miles of driving, the 2017 GMC Sierra 1500 gets a combined Avg MPG of 16.38 with a 0.05 MPG margin of error.

Any Engine Type 4.3L V6 FLEX (2) 5.3L V8 ELECTRIC/GAS (2) 5.3L V8 FLEX (35) 5.3L V8 GAS (78) 6.2L V8 GAS (47) V8 GAS (2) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (16) Crew Cab Pickup (40) Cab & Chassis - Extended Cab (1) Any Submodel Base (11) Denali (29) SLE (36) SLT (92) Other (2)

Below you can see a distribution of the fuel-ups with 700 outliers (4.08%) removed.

Following shows the average MPG of each of the 170 vehicles in the system.

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• My Sierra 1500

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2017 • 122 Fuel-ups

  Property of derlant

• 18.1 Avg MPG

• 2017 GMC Sierra

  2017 GMC Sierra 1500 Automatic 6 Speed
  Added Oct 2017 • 83 Fuel-ups

  Property of pdubz

• 16.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
  Added Jan 2017 • 5 Fuel-ups

  Property of JettaFuelMileage

• 14.8 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Mar 2019 • 63 Fuel-ups

  Property of chanman1912

• 14.4 Avg MPG

• GMC Sierra Truck

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2020 • 14 Fuel-ups

  Property of RobertJPlett

• 14.8 Avg MPG

• Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Dec 2017 • 111 Fuel-ups

  Property of dmax04

• 17.4 Avg MPG

• GMC Sierra 1500

  2017 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
  Added Jan 2020 • 22 Fuel-ups

  Property of gguhr

• 19.4 Avg MPG

• 2017 GMC Sierra

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Cab & Chassis - Extended Cab
  Added Oct 2017 • 119 Fuel-ups

  Property of dbball

• 16.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
  Added Jan 2017 • 207 Fuel-ups

  Property of JettaFuelMileage

• 15.5 Avg MPG

• Mr Truck

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2017 • 49 Fuel-ups

  Property of qualified

• 17.1 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Feb 2020 • 8 Fuel-ups

  Property of freedom2020

• 20.8 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jun 2017 • 249 Fuel-ups

  Property of Arlinda

• 15.1 Avg MPG

• Sierra V8

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
  Added Feb 2017 • 112 Fuel-ups

  Property of britsdaddy

• 16.6 Avg MPG

• Kodiak

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 78 Fuel-ups

  Property of OldGreyMare

• 15.0 Avg MPG

• 2017 GMC Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2019 • 10 Fuel-ups

  Property of jamboul

• 15.3 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
  Added May 2017 • 110 Fuel-ups

  Property of jjuppyh

• 16.6 Avg MPG

• Sierra

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
  Added Aug 2017 • 129 Fuel-ups

  Property of agracer

• 16.6 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Oct 2017 • 196 Fuel-ups

  Property of Danm1228

• 15.2 Avg MPG

• Star Trek

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2017 • 106 Fuel-ups

  Property of Quasiman

• 15.1 Avg MPG

• Sierra

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2019 • 128 Fuel-ups

  Property of 1989gta

• 14.4 Avg MPG

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