Based on data from 61 vehicles, 4,224 fuel-ups and 1,280,987 miles of driving, the 2002 GMC Sierra 2500 HD gets a combined Avg MPG of 12.12 with a 0.14 MPG margin of error.

Any Engine Type 6.0L V8 BI-FUEL (1) 6.0L V8 GAS (15) 6.6L V8 DIESEL (26) 8.1L V8 GAS (12) V8 DIESEL (3) V8 GAS (4) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (5) Crew Cab Pickup (6) Cab & Chassis (1) Cab & Chassis - Extended Cab (1) Any Submodel Base (3) SL (4) SLE (22) SLT (25) Other (7)

Below you can see a distribution of the fuel-ups with 41 outliers (0.96%) removed.

Following shows the average MPG of each of the 61 vehicles in the system.

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• RedBaron

  2002 GMC Sierra 2500 HD SLE 6.0L V8 GAS Manual 5 Speed Standard Cab Pickup
  Added Mar 2020 • 10 Fuel-ups

  Property of StoneByStone

• 14.1 Avg MPG

• 2002 Diesel

  2002 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed Extended Cab Pickup
  Added Dec 2016 • 58 Fuel-ups

  Property of doots

• 14.2 Avg MPG

• Smoky

  2002 GMC Sierra 2500 HD SL 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2019 • 239 Fuel-ups

  Property of jamesrmac

• 11.3 Avg MPG

• GMC

  2002 GMC Sierra 2500 HD SLT 6.0L V8 GAS
  Added Dec 2020 • 4 Fuel-ups

  Property of creedo

• 9.5 Avg MPG

• Truck

  2002 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2018 • 260 Fuel-ups

  Property of TGriffi1

• 12.6 Avg MPG

• Large Marge

  2002 GMC Sierra 2500 HD SLT 8.1L V8 GAS Automatic 5 Speed
  Added Sep 2020 • 5 Fuel-ups

  Property of SurferChicUSA

• 10.6 Avg MPG

• Truck

  2002 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
  Added Nov 2017 • 43 Fuel-ups

  Property of letsride4

• 15.5 Avg MPG

• My Sierra 2500 HD

  2002 GMC Sierra 2500 HD SLT 6.0L V8 GAS Automatic 5 Speed
  Added Aug 2020 • 4 Fuel-ups

  Property of elduderino737

• 11.6 Avg MPG

• GMC 2500HD

  2002 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed
  Added Aug 2016 • 64 Fuel-ups

  Property of snashbar

• 7.5 Avg MPG

• Sierra

  2002 GMC Sierra 2500 HD SLT 8.1L V8 GAS Automatic 5 Speed
  Added Aug 2016 • 30 Fuel-ups

  Property of benztech

• 9.3 Avg MPG

• My Sierra 2500 HD

  2002 GMC Sierra 2500 HD SLE 6.0L V8 GAS Automatic 4 Speed
  Added Dec 2017 • 94 Fuel-ups

  Property of Slapmaster

• 11.9 Avg MPG

• GMC Sierra

  2002 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 4 Speed
  Added Mar 2017 • 206 Fuel-ups

  Property of Pjohnson1848

• 13.9 Avg MPG

• My GMC

  2002 GMC Sierra 2500 HD SL 6.6L V8 DIESEL Automatic 5 Speed Crew Cab Pickup
  Added Nov 2016 • 516 Fuel-ups

  Property of jaydel1

• 15.0 Avg MPG

• Dura max

  2002 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 5 Speed
  Added Sep 2016 • 32 Fuel-ups

  Property of kgpowell

• 17.8 Avg MPG

• Truck

  2002 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Standard 6 Speed Crew Cab Pickup
  Added Sep 2017 • 51 Fuel-ups

  Property of barefooter_96

• 15.4 Avg MPG

• GMC Truck

  2002 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 4 Speed
  Added Mar 2018 • 449 Fuel-ups

  Property of bowtie88

• 8.2 Avg MPG

• Dmax

  2002 GMC Sierra 2500 HD Custom Submodel V8 DIESEL
  Added Jun 2013 • 178 Fuel-ups

  Property of mvfarmboy

• 15.3 Avg MPG

• Beast

  2002 GMC Sierra 2500 HD SLE 8.1L V8 GAS Automatic 5 Speed Extended Cab Pickup
  Added Dec 2017 • 7 Fuel-ups

  Property of johnathanaguilar

• 12.3 Avg MPG

• GMC Sierra

  2002 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 5 Speed
  Added Apr 2017 • 14 Fuel-ups

  Property of NickD

• 14.4 Avg MPG

• Barney

  2002 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 4 Speed Cab & Chassis
  Added Oct 2017 • 35 Fuel-ups

  Property of halon330

• 12.0 Avg MPG

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