Based on data from 104 vehicles, 8,745 fuel-ups and 2,506,584 miles of driving, the 2013 GMC Sierra 1500 gets a combined Avg MPG of 14.59 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (3) 4.8L V8 FLEX (9) 5.3L V8 FLEX (70) 6.0L V8 ELECTRIC/FLEX (1) 6.2L V8 FLEX (11) V8 FLEX (1) V8 GAS (6) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (11) Crew Cab Pickup (14) Any Submodel Hybrid (1) WT (5) Denali (5) SL (9) SLT (25) SLE (51) Other (8)

Below you can see a distribution of the fuel-ups with 417 outliers (4.55%) removed.

Following shows the average MPG of each of the 104 vehicles in the system.

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• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2022 • 18 Fuel-ups

  Property of Keith105

• 8.1 Avg MPG

• Kodiak 2021

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2021 • 25 Fuel-ups

  Property of walkrobs92

• 11.2 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2018 • 80 Fuel-ups

  Property of zcantrell03

• 15.4 Avg MPG

• GMC Sierra 1500

  2013 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Aug 2022 • 3 Fuel-ups

  Property of dnobes18

• 17.1 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2017 • 322 Fuel-ups

  Property of rkfdwc1

• 14.2 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2021 • 197 Fuel-ups

  Property of mhp01

• 15.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Apr 2020 • 16 Fuel-ups

  Property of slus

• 15.4 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2020 • 53 Fuel-ups

  Property of siera

• 13.3 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2021 • 195 Fuel-ups

  Property of mhp01

• 15.6 Avg MPG

• Kodiak 2020

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2020 • 25 Fuel-ups

  Property of walkrobs92

• 11.7 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Feb 2018 • 113 Fuel-ups

  Property of punksrfr

• 15.1 Avg MPG

• Work Truck

  2013 GMC Sierra 1500 WT
  Added Aug 2016 • 141 Fuel-ups

  Property of mappinman

• 15.5 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2019 • 23 Fuel-ups

  Property of leehow

• 15.2 Avg MPG

• Truck

  2013 GMC Sierra 1500 SL 4.8L V8 FLEX
  Added Aug 2017 • 57 Fuel-ups

  Property of rpascoe

• 13.9 Avg MPG

• Kodiak 2019

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2019 • 45 Fuel-ups

  Property of walkrobs92

• 11.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Oct 2018 • 8 Fuel-ups

  Property of parkside

• 19.4 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added May 2022 • 104 Fuel-ups

  Property of Navanian

• 18.5 Avg MPG

• Jimmy

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Nov 2018 • 13 Fuel-ups

  Property of BikerTrash

• 16.6 Avg MPG

• My GMC

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of darren-woods

• 14.2 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed
  Added May 2019 • 11 Fuel-ups

  Property of Mitkeilman

• 13.2 Avg MPG

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