Based on data from 71 vehicles, 4,167 fuel-ups and 1,276,252 miles of driving, the 2002 GMC Sierra 1500 gets a combined Avg MPG of 14.94 with a 0.09 MPG margin of error.

Any Engine Type 4.3L V6 GAS (6) 4.8L V8 GAS (22) 5.3L V8 FLEX (1) 5.3L V8 GAS (30) 6.0L V8 GAS (2) GAS (1) V8 GAS (7) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (16) Any Submodel WT (2) Denali (2) SL (4) Base (7) SLT (9) SLE (38) Other (9)

Below you can see a distribution of the fuel-ups with 141 outliers (3.27%) removed.

Following shows the average MPG of each of the 71 vehicles in the system.

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• Truck

  2002 GMC Sierra 1500 Other
  Added Mar 2017 • 180 Fuel-ups

  Property of ploddingpossum

• 18.3 Avg MPG

• Sam

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 107 Fuel-ups

  Property of camcook21

• 15.0 Avg MPG

• Sierra 1500

  2002 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
  Added Nov 2016 • 52 Fuel-ups

  Property of GizmoLion

• 15.9 Avg MPG

• My Sierra 1500

  2002 GMC Sierra 1500 4.3L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 50 Fuel-ups

  Property of rcasey

• 13.5 Avg MPG

• My Sierra 1500

  2002 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 10 Fuel-ups

  Property of cccb

• 16.1 Avg MPG

• GMC

  2002 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2016 • 19 Fuel-ups

  Property of blck_transam

• 16.5 Avg MPG

• GMC

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2017 • 95 Fuel-ups

  Property of bcharkey

• 13.0 Avg MPG

• My Sierra 1500

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2017 • 4 Fuel-ups

  Property of austynborland

• 8.6 Avg MPG

• GMC

  2002 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2018 • 17 Fuel-ups

  Property of Logerts1

• 14.9 Avg MPG

• Hank (a.k.a Henry)

  2002 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 24 Fuel-ups

  Property of mrobson

• 16.3 Avg MPG

• Goldie

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Standard 5 Speed Standard Cab Pickup
  Added Oct 2017 • 24 Fuel-ups

  Property of tdtoolman

• 14.7 Avg MPG

• Turdburglar

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 151 Fuel-ups

  Property of ScottishDonkey

• 16.2 Avg MPG

• My Sierra 1500

  2002 GMC Sierra 1500 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 13 Fuel-ups

  Property of cooters23

• 18.7 Avg MPG

• Gmc sierra

  2002 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Sep 2017 • 91 Fuel-ups

  Property of FishGuyNate

• 15.7 Avg MPG

• GMC Sierra Z71

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 70 Fuel-ups

  Property of JoeShaker

• 13.7 Avg MPG

• My Sierra 1500

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2015 • 10 Fuel-ups

  Property of TroyD52

• 14.9 Avg MPG

• gmc

  2002 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Aug 2015 • 3 Fuel-ups

  Property of Rage_Quit45

• 13.4 Avg MPG

• 02 Sierra

  2002 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2014 • 97 Fuel-ups

  Property of tadder52

• 14.8 Avg MPG

• GMC Sierra

  2002 GMC Sierra 1500 SLE 5.3L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Jul 2014 • 31 Fuel-ups

  Property of schnid21

• 13.1 Avg MPG

• 2002 GMC Sierra

  2002 GMC Sierra 1500 GAS
  Added Jan 2013 • 33 Fuel-ups

  Property of TexasGTA

• 16.7 Avg MPG

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