Based on data from 94 vehicles, 7,566 fuel-ups and 2,212,435 miles of driving, the 2013 GMC Sierra 1500 gets a combined Avg MPG of 14.80 with a 0.06 MPG margin of error.

Any Engine Type 4.3L V6 GAS (3) 4.8L V8 FLEX (7) 5.3L V8 FLEX (64) 6.0L V8 ELECTRIC/FLEX (1) 6.2L V8 FLEX (9) V8 FLEX (1) V8 GAS (6) Any Body Style Extended Cab Pickup (9) Crew Cab Pickup (14) Any Submodel Hybrid (1) WT (4) Denali (4) SL (8) SLT (24) SLE (45) Other (8)

Below you can see a distribution of the fuel-ups with 388 outliers (4.88%) removed.

Following shows the average MPG of each of the 94 vehicles in the system.

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• 2013 GMC Sierra SLE Extended Cab

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2022 • 36 Fuel-ups

  Property of WalkerSchwengler

• 13.9 Avg MPG

• 2013 GMC Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2018 • 644 Fuel-ups

  Property of timbernet

• 14.4 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jan 2023 • 5 Fuel-ups

  Property of roaming_engineer

• 11.6 Avg MPG

• GMC

  2013 GMC Sierra 1500 SL 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 245 Fuel-ups

  Property of radsrh

• 14.3 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2022 • 20 Fuel-ups

  Property of Medved32

• 13.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2019 • 73 Fuel-ups

  Property of Chaddy

• 13.8 Avg MPG

• GMC

  2013 GMC Sierra 1500 SLE 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 211 Fuel-ups

  Property of Anhalt

• 14.9 Avg MPG

• Truck

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Jan 2019 • 381 Fuel-ups

  Property of twinrow11

• 13.5 Avg MPG

• Manuel

  2013 GMC Sierra 1500 SLE
  Added Jun 2018 • 155 Fuel-ups

  Property of maenciso

• 15.6 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Sep 2021 • 138 Fuel-ups

  Property of minich11

• 14.1 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2021 • 95 Fuel-ups

  Property of mjfassio

• 15.0 Avg MPG

• GMC Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 162 Fuel-ups

  Property of dbernier

• 13.8 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 51 Fuel-ups

  Property of Tommymagg

• 15.2 Avg MPG

• 2013 GMC Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Crew Cab Pickup (4 Door)
  Added Jul 2015 • 166 Fuel-ups

  Property of rjbergen

• 13.1 Avg MPG

• GMC Sierra 1500 2013

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jul 2014 • 82 Fuel-ups

  Property of MovieGMan

• 12.9 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Mar 2019 • 174 Fuel-ups

  Property of mjirak

• 15.4 Avg MPG

• GMC Sierra 1500

  2013 GMC Sierra 1500 SL 4.8L V8 FLEX
  Added Mar 2021 • 45 Fuel-ups

  Property of Tracelong

• 14.1 Avg MPG

• Sierra

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2016 • 384 Fuel-ups

  Property of LooseWheelNut

• 14.4 Avg MPG

• My Sierra 1500

  2013 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2018 • 261 Fuel-ups

  Property of erhollin

• 15.0 Avg MPG

• 2013 Sierra

  2013 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2015 • 437 Fuel-ups

  Property of Zman1001

• 16.1 Avg MPG

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