Based on data from 104 vehicles, 9,071 fuel-ups and 2,587,592 miles of driving, the 2013 GMC Sierra 1500 gets a combined Avg MPG of 14.57 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 426 outliers (4.49%) removed.

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

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• 2013 GMC Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2018 • 773 Fuel-ups

  Property of timbernet

• 14.4 Avg MPG

• 2013 GMC Sierra SLE Extended Cab

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 183 Fuel-ups

  Property of WalkerSchwengler

• 14.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 156 Fuel-ups

  Property of Tommymagg

• 15.3 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2023 • 517 Fuel-ups

  Property of mab49

• 13.0 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2016 • 426 Fuel-ups

  Property of LooseWheelNut

• 14.3 Avg MPG

• Pearl

  2013 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Apr 2024 • 37 Fuel-ups

  Property of BertaBoy

• 13.5 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2023 • 83 Fuel-ups

  Property of roaming_engineer

• 12.8 Avg MPG

• Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added May 2023 • 65 Fuel-ups

  Property of mikecap67

• 14.4 Avg MPG

• Kodiak 2024

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2024 • 24 Fuel-ups

  Property of walkrobs92

• 9.8 Avg MPG

• GMC

  2013 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 295 Fuel-ups

  Property of radsrh

• 14.1 Avg MPG

• 2013 Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2015 • 513 Fuel-ups

  Property of Zman1001

• 16.1 Avg MPG

• Sierra 1500, 2wd, 3.42 gear

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2022 • 27 Fuel-ups

  Property of Paedpasmi

• 14.8 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2019 • 208 Fuel-ups

  Property of mjirak

• 15.3 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2023 • 29 Fuel-ups

  Property of Stm85

• 12.4 Avg MPG

• GMC Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 203 Fuel-ups

  Property of dbernier

• 13.9 Avg MPG

• Manuel

  2013 GMC Sierra 1500 SLE
  Added Jun 2018 • 204 Fuel-ups

  Property of maenciso

• 15.5 Avg MPG

• Blue Sierra Crew Cab

  2013 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Mar 2024 • 16 Fuel-ups

  Property of Kevins_Kars

• 15.9 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2016 • 216 Fuel-ups

  Property of brad8598

• 15.6 Avg MPG

• Reg Cab GMC

  2013 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed Standard Cab Pickup
  Added Apr 2023 • 42 Fuel-ups

  Property of Bmesh

• 13.8 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed
  Added Aug 2017 • 86 Fuel-ups

  Property of WyoCowboys

• 9.1 Avg MPG

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