Based on data from 170 vehicles, 16,409 fuel-ups and 4,854,684 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 696 outliers (4.07%) removed.

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

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• Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Sep 2020 • 186 Fuel-ups

  Property of SilentJ2k9

• 14.6 Avg MPG

• Chad

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Oct 2023 • 71 Fuel-ups

  Property of chriscarpenter

• 14.5 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2020 • 179 Fuel-ups

  Property of fyou

• 16.9 Avg MPG

• 2017 GMC Sierra

  2017 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Apr 2020 • 207 Fuel-ups

  Property of kellswo

• 16.6 Avg MPG

• Sierra Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Dec 2017 • 178 Fuel-ups

  Property of tkanzenbac

• 15.2 Avg MPG

• Denali

  2017 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2017 • 346 Fuel-ups

  Property of cbauer

• 15.6 Avg MPG

• Sierra

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Jan 2024 • 15 Fuel-ups

  Property of AJLingwall

• 16.9 Avg MPG

• 2017 GMC Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
  Added Aug 2017 • 304 Fuel-ups

  Property of 2012GMCLL

• 17.9 Avg MPG

• Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2018 • 226 Fuel-ups

  Property of kvanlith

• 16.1 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 6 Speed
  Added May 2023 • 44 Fuel-ups

  Property of 1q503victor

• 15.6 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Jul 2020 • 232 Fuel-ups

  Property of quentin99

• 16.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 Denali 5.3L V8 FLEX Automatic 8 Speed
  Added Jun 2021 • 58 Fuel-ups

  Property of redomega

• 15.4 Avg MPG

• GMC Seirra

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
  Added Jan 2018 • 353 Fuel-ups

  Property of mick1525

• 16.8 Avg MPG

• Sierra

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2016 • 75 Fuel-ups

  Property of ekoeberl

• 17.9 Avg MPG

• 2017 Sierra 1500 Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Oct 2021 • 153 Fuel-ups

  Property of Lilfarmtruck

• 16.2 Avg MPG

• GMC Sierre 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed Crew Cab Pickup
  Added Mar 2021 • 245 Fuel-ups

  Property of Temuba

• 17.1 Avg MPG

• 2017 GMC Sierra

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed Crew Cab Pickup
  Added Mar 2020 • 159 Fuel-ups

  Property of Rdcarignan

• 17.9 Avg MPG

• GMC Sierra

  2017 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2020 • 88 Fuel-ups

  Property of jake2687

• 16.5 Avg MPG

• 2017 GMC

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Nov 2017 • 399 Fuel-ups

  Property of scotthh

• 17.4 Avg MPG

• Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2020 • 231 Fuel-ups

  Property of gti151

• 13.4 Avg MPG

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