Based on data from 74 vehicles, 3,460 fuel-ups and 874,758 miles of driving, the 2000 GMC Sierra 1500 gets a combined Avg MPG of 14.11 with a 0.10 MPG margin of error.

Any Engine Type 4.3L V6 GAS (7) 4.8L V8 GAS (7) 5.3L V8 GAS (44) V6 GAS (1) V8 GAS (10) Any Body Style Standard Cab Pickup (5) Extended Cab Pickup (11) Any Submodel SL (14) SLT (14) SLE (33) Other (13)

Below you can see a distribution of the fuel-ups with 133 outliers (3.70%) removed.

Following shows the average MPG of each of the 74 vehicles in the system.

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• My Sierra 1500

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2021 • 60 Fuel-ups

  Property of Donthedrillman

• 14.1 Avg MPG

• GMC Gray

  2000 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 698 Fuel-ups

  Property of GMCGirl

• 13.9 Avg MPG

• Sierra

  2000 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Aug 2021 • 22 Fuel-ups

  Property of backeru

• 16.1 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2022 • 111 Fuel-ups

  Property of gasdaddy

• 16.0 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2024 • 14 Fuel-ups

  Property of odie479

• 13.7 Avg MPG

• Nevada’s Sierra

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2022 • 26 Fuel-ups

  Property of Reno619

• 13.1 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2024 • 5 Fuel-ups

  Property of jose615

• 19.8 Avg MPG

• GMC

  2000 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2018 • 76 Fuel-ups

  Property of superdve

• 15.2 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2016 • 68 Fuel-ups

  Property of Jdoanes

• 11.3 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2024 • 10 Fuel-ups

  Property of Geir

• 12.2 Avg MPG

• 2000 GMC Sierra 1500

  2000 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2019 • 49 Fuel-ups

  Property of cesarabeid

• 12.9 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLE 4.3L V6 GAS Automatic 4 Speed
  Added Oct 2023 • 8 Fuel-ups

  Property of wbptrp

• 12.5 Avg MPG

• Gmc

  2000 GMC Sierra 1500 SLE
  Added Dec 2020 • 80 Fuel-ups

  Property of stanconnie

• 19.2 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLT 4.3L V6 GAS Automatic 4 Speed
  Added Nov 2017 • 24 Fuel-ups

  Property of boydb

• 16.1 Avg MPG

• Truck

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 60 Fuel-ups

  Property of greg8407

• 16.1 Avg MPG

• GMC

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 269 Fuel-ups

  Property of adamr006

• 16.0 Avg MPG

• Winter Beater

  2000 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2023 • 16 Fuel-ups

  Property of Decalman

• 10.5 Avg MPG

• My Sierra 1500

  2000 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2023 • 14 Fuel-ups

  Property of russ_manda

• 13.9 Avg MPG

• Sierra

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2023 • 28 Fuel-ups

  Property of mlkluttz

• 14.3 Avg MPG

• 1500

  2000 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2018 • 79 Fuel-ups

  Property of Sierratruckin

• 12.1 Avg MPG

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