Based on data from 37 vehicles, 2,478 fuel-ups and 711,265 miles of driving, the 2021 GMC Canyon gets a combined Avg MPG of 19.69 with a 0.16 MPG margin of error.

Any Engine Type 2.8L L4 DIESEL (7) 3.6L V6 GAS (30) Any Body Style Extended Cab Pickup (1) Crew Cab Pickup (10) Any Submodel Elevation Standard (2) Denali (8) Elevation (9) AT4 (18)

Below you can see a distribution of the fuel-ups with 139 outliers (5.31%) removed.

Following shows the average MPG of each of the 37 vehicles in the system.

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• 2021 GMC Canyon

  2021 GMC Canyon Denali 2.8L L4 DIESEL Automatic 6 Speed
  Added Mar 2021 • 98 Fuel-ups

  Property of SkyKing46

• 24.1 Avg MPG

• My Canyon

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed
  Added Apr 2025 • 3 Fuel-ups

  Property of martinsoncooper

• 19.0 Avg MPG

• My Canyon

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed
  Added May 2021 • 168 Fuel-ups

  Property of jbardwell

• 19.8 Avg MPG

• My Denali Canyon

  2021 GMC Canyon Denali 2.8L L4 DIESEL Automatic 6 Speed
  Added Feb 2025 • 14 Fuel-ups

  Property of chas1441

• 26.6 Avg MPG

• My Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 6 Speed
  Added Jul 2021 • 172 Fuel-ups

  Property of amberhvizdos

• 18.8 Avg MPG

• GMC Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 6 Speed
  Added May 2021 • 272 Fuel-ups

  Property of dredog70

• 16.9 Avg MPG

• My Canyon

  2021 GMC Canyon Denali 2.8L L4 DIESEL Automatic 8 Speed
  Added Jul 2021 • 144 Fuel-ups

  Property of didinico

• 20.7 Avg MPG

• CANYONERO

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed
  Added May 2021 • 116 Fuel-ups

  Property of hez313

• 21.0 Avg MPG

• AT4

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed
  Added Mar 2023 • 90 Fuel-ups

  Property of clairdjr

• 19.5 Avg MPG

• GMC Canyon Denali

  2021 GMC Canyon Denali 3.6L V6 GAS Automatic 6 Speed Extended Cab Pickup
  Added Jan 2021 • 155 Fuel-ups

  Property of LenT

• 22.0 Avg MPG

• GMC Canyon

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2025 • 37 Fuel-ups

  Property of slpg

• 21.5 Avg MPG

• My Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 8 Speed
  Added Jan 2025 • 6 Fuel-ups

  Property of thomasvolker

• 20.0 Avg MPG

• GMC Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 8 Speed
  Added Aug 2021 • 85 Fuel-ups

  Property of durban

• 18.5 Avg MPG

• GMC Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Dec 2021 • 23 Fuel-ups

  Property of jgiron24

• 17.3 Avg MPG

• My Canyon

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed
  Added Jul 2020 • 200 Fuel-ups

  Property of yono

• 19.5 Avg MPG

• My Canyon

  2021 GMC Canyon Denali 2.8L L4 DIESEL Automatic 6 Speed
  Added Feb 2025 • 7 Fuel-ups

  Property of hp4play

• 21.8 Avg MPG

• GMC Canyon Denali

  2021 GMC Canyon Denali 2.8L L4 DIESEL Automatic 6 Speed
  Added Dec 2021 • 223 Fuel-ups

  Property of ValiantV

• 23.2 Avg MPG

• My Canyon

  2021 GMC Canyon AT4 2.8L L4 DIESEL Automatic 6 Speed
  Added Mar 2024 • 3 Fuel-ups

  Property of azevedofam

• 25.5 Avg MPG

• Canyon AT4

  2021 GMC Canyon AT4 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added Apr 2023 • 50 Fuel-ups

  Property of tibaal89

• 21.0 Avg MPG

• GMC Canyon

  2021 GMC Canyon Elevation 3.6L V6 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2024 • 29 Fuel-ups

  Property of rmax

• 20.8 Avg MPG

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