Based on data from 78 vehicles, 3,562 fuel-ups and 1,047,388 miles of driving, the 2001 GMC Sierra 1500 gets a combined Avg MPG of 14.67 with a 0.07 MPG margin of error.

Any Engine Type 4.3L V6 GAS (3) 4.8L V8 GAS (12) 5.3L V8 GAS (42) 6.0L V8 GAS (3) V8 GAS (12) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (14) Any Submodel C3 (3) SL (9) SLT (17) SLE (35) Other (14)

Below you can see a distribution of the fuel-ups with 323 outliers (8.31%) removed.

Following shows the average MPG of each of the 78 vehicles in the system.

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• My Sierra 1500

  2001 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2024 • 27 Fuel-ups

  Property of afort615

• 15.9 Avg MPG

• My Sierra 1500

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2025 • 14 Fuel-ups

  Property of momobz

• 9.1 Avg MPG

• 2001 Sierra 1500

  2001 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Mar 2021 • 12 Fuel-ups

  Property of MWC_64

• 14.0 Avg MPG

• My Sierra 1500

  2001 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2024 • 31 Fuel-ups

  Property of Dillan06

• 13.9 Avg MPG

• My Sierra 1500

  2001 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Nov 2024 • 9 Fuel-ups

  Property of heyimjavie

• 12.4 Avg MPG

• GMC Sierra

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Extended Cab Pickup
  Added Mar 2022 • 33 Fuel-ups

  Property of jeffarndt77

• 22.4 Avg MPG

• GMC Sierra

  2001 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jul 2024 • 18 Fuel-ups

  Property of hey_allen

• 11.8 Avg MPG

• Ruth truck

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 66 Fuel-ups

  Property of azsilver

• 14.6 Avg MPG

• Trucc 2.0

  2001 GMC Sierra 1500 SL 5.3L V8 GAS Manual 5 Speed Standard Cab Pickup
  Added Sep 2022 • 41 Fuel-ups

  Property of evanw1ll1ams

• 15.0 Avg MPG

• My Sierra 1500

  2001 GMC Sierra 1500 SL 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2024 • 43 Fuel-ups

  Property of SilentAngel2007

• 12.3 Avg MPG

• GMC Sierra

  2001 GMC Sierra 1500 C3 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 159 Fuel-ups

  Property of kevinj68

• 14.9 Avg MPG

• Sierra

  2001 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2023 • 39 Fuel-ups

  Property of Notsew96

• 14.6 Avg MPG

• Sierra

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2021 • 236 Fuel-ups

  Property of 21armstrongdylan

• 13.9 Avg MPG

• Z-71

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2017 • 97 Fuel-ups

  Property of rustbucketrex

• 15.0 Avg MPG

• Veronica

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added May 2023 • 189 Fuel-ups

  Property of Ashton76

• 14.2 Avg MPG

• K&S Sierra 1500

  2001 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
  Added May 2023 • 5 Fuel-ups

  Property of stevmue

• 14.6 Avg MPG

• GMC Sierra

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic Extended Cab Pickup
  Added Jul 2022 • 51 Fuel-ups

  Property of StinkBait22

• 15.2 Avg MPG

• My Sierra 1500

  2001 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
  Added Jan 2020 • 160 Fuel-ups

  Property of Will_H

• 14.1 Avg MPG

• Gmc

  2001 GMC Sierra 1500 SLE
  Added Apr 2021 • 30 Fuel-ups

  Property of ktm520

• 28.5 Avg MPG

• 2001 GMC Sierra 1500

  2001 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2017 • 102 Fuel-ups

  Property of ccmaydew

• 16.0 Avg MPG

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