Based on data from 104 vehicles, 8,757 fuel-ups and 2,509,580 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 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2023 • 474 Fuel-ups

  Property of mab49

• 13.3 Avg MPG

• 2013 GMC Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2018 • 749 Fuel-ups

  Property of timbernet

• 14.4 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2023 • 20 Fuel-ups

  Property of Stm85

• 12.5 Avg MPG

• Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added May 2023 • 41 Fuel-ups

  Property of mikecap67

• 15.1 Avg MPG

• 2013 Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2015 • 489 Fuel-ups

  Property of Zman1001

• 16.0 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 123 Fuel-ups

  Property of Tommymagg

• 15.2 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2019 • 198 Fuel-ups

  Property of mjirak

• 15.4 Avg MPG

• 2013 GMC Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Crew Cab Pickup (4 Door)
  Added Jul 2015 • 198 Fuel-ups

  Property of rjbergen

• 13.3 Avg MPG

• Pearl

  2013 GMC Sierra 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of BertaBoy

• 10.5 Avg MPG

• Manuel

  2013 GMC Sierra 1500 SLE
  Added Jun 2018 • 196 Fuel-ups

  Property of maenciso

• 15.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2023 • 64 Fuel-ups

  Property of roaming_engineer

• 13.0 Avg MPG

• Blue Sierra Crew Cab

  2013 GMC Sierra 1500 SL 4.8L V8 FLEX Automatic 4 Speed
  Added Mar 2024 • 6 Fuel-ups

  Property of Kevins_Kars

• 16.7 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 6.2L V8 FLEX Automatic 6 Speed
  Added Apr 2023 • 17 Fuel-ups

  Property of wakeoftheflood

• 13.7 Avg MPG

• 2013 GMC Sierra SLE Extended Cab

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 150 Fuel-ups

  Property of WalkerSchwengler

• 14.6 Avg MPG

• Kodiak 2024

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2024 • 9 Fuel-ups

  Property of walkrobs92

• 8.1 Avg MPG

• GMC Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 194 Fuel-ups

  Property of dbernier

• 13.9 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2019 • 109 Fuel-ups

  Property of Chaddy

• 13.4 Avg MPG

• GMC

  2013 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 284 Fuel-ups

  Property of radsrh

• 14.1 Avg MPG

• Reg Cab GMC

  2013 GMC Sierra 1500 WT 4.8L V8 FLEX Automatic 4 Speed Standard Cab Pickup
  Added Apr 2023 • 34 Fuel-ups

  Property of Bmesh

• 13.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Dec 2023 • 23 Fuel-ups

  Property of jrrichards1775

• 12.6 Avg MPG

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