Based on data from 170 vehicles, 16,444 fuel-ups and 4,864,815 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 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2022 • 15 Fuel-ups

  Property of Raquiot05

• 16.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2022 • 5 Fuel-ups

  Property of mcheal

• 10.8 Avg MPG

• SIERRA SLE

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
  Added Nov 2017 • 213 Fuel-ups

  Property of oppie442

• 15.8 Avg MPG

• Sierra 2017

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX
  Added Apr 2018 • 145 Fuel-ups

  Property of mitchellalger

• 18.4 Avg MPG

• Sierra All Terrain

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2017 • 96 Fuel-ups

  Property of vonbraun

• 18.9 Avg MPG

• Mark’s Sierra

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2017 • 517 Fuel-ups

  Property of westbiels

• 18.1 Avg MPG

• Sierra Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Sep 2020 • 140 Fuel-ups

  Property of AndrewImeson

• 17.6 Avg MPG

• West’s Sierra

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Sep 2017 • 155 Fuel-ups

  Property of westbiels

• 16.6 Avg MPG

• GMC Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 52 Fuel-ups

  Property of cyclingrob

• 14.2 Avg MPG

• GMC Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2017 • 120 Fuel-ups

  Property of Marty3450

• 15.0 Avg MPG

• 2017 GMC

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Dec 2019 • 125 Fuel-ups

  Property of Morts

• 17.3 Avg MPG

• 2017 GMC

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Dec 2023 • 125 Fuel-ups

  Property of Morts

• 17.3 Avg MPG

• My Sierra Denali

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added May 2020 • 60 Fuel-ups

  Property of jeffstruck

• 16.0 Avg MPG

• Sierra

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Oct 2017 • 145 Fuel-ups

  Property of captainstingray

• 16.8 Avg MPG

• Charles Enns

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2020 • 6 Fuel-ups

  Property of Ennsatfuelly

• 14.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2018 • 96 Fuel-ups

  Property of rootkyl1

• 15.3 Avg MPG

• 2017 Sierra

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
  Added Sep 2016 • 102 Fuel-ups

  Property of clo004

• 18.1 Avg MPG

• Lou's '17 Sierra

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
  Added Mar 2017 • 138 Fuel-ups

  Property of LouieT

• 15.2 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
  Added Sep 2017 • 134 Fuel-ups

  Property of 5pattersons

• 13.9 Avg MPG

• 2017 GMC Sierra

  2017 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Jan 2018 • 97 Fuel-ups

  Property of cdrc20

• 15.4 Avg MPG

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