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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• Blue Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2017 • 478 Fuel-ups

  Property of jpekoske

• 17.4 Avg MPG

• GMC Sierra 1500 SLT

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2018 • 185 Fuel-ups

  Property of plac9

• 15.4 Avg MPG

• Sierra SLE

  2017 GMC Sierra 1500 SLE Elevation V8 GAS Automatic 6 Speed
  Added Sep 2023 • 7 Fuel-ups

  Property of Saddiee

• 16.4 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Oct 2018 • 154 Fuel-ups

  Property of gkrosp

• 17.6 Avg MPG

• Garbage Hauler

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2017 • 515 Fuel-ups

  Property of n1ghtsh1ft

• 17.8 Avg MPG

• 2017 GMC Sierra 1500

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
  Added Apr 2022 • 51 Fuel-ups

  Property of shade8

• 14.8 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
  Added Jun 2022 • 4 Fuel-ups

  Property of zac_rieger

• 21.7 Avg MPG

• GMC Sierra 1500

  2017 GMC Sierra 1500 SLT
  Added Nov 2023 • 3 Fuel-ups

  Property of jaiannazzo

• 25.4 Avg MPG

• Gray Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
  Added Jun 2017 • 284 Fuel-ups

  Property of rabowen09

• 17.7 Avg MPG

• GMC Sierra 1500 SLT

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2016 • 425 Fuel-ups

  Property of Knoerr

• 15.0 Avg MPG

• Denali

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2020 • 53 Fuel-ups

  Property of Superdawg

• 13.7 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
  Added Oct 2023 • 5 Fuel-ups

  Property of Chaseon4wheels

• 14.3 Avg MPG

• Sierra 1500 Denali

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

  Property of eschmidt12

• 16.6 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added Sep 2020 • 126 Fuel-ups

  Property of Truck2017

• 11.3 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
  Added May 2022 • 60 Fuel-ups

  Property of ralph_tony

• 12.5 Avg MPG

• My Sierra 1500

  2017 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Dec 2022 • 15 Fuel-ups

  Property of chris_marciano

• 14.1 Avg MPG

• Sierra 1500 - Bruce

  2017 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
  Added Aug 2019 • 5 Fuel-ups

  Property of mbriscoe

• 20.3 Avg MPG

• Sierra

  2017 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2021 • 50 Fuel-ups

  Property of Cgpierce

• 21.1 Avg MPG

• Denali

  2017 GMC Sierra 1500 Denali Automatic 8 Speed Crew Cab Pickup
  Added Feb 2021 • 74 Fuel-ups

  Property of dmccleary

• 17.2 Avg MPG

• The Mighty Sierra

  2017 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2017 • 127 Fuel-ups

  Property of Chrome_Daddy0

• 14.6 Avg MPG

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