Based on data from 125 vehicles, 5,752 fuel-ups and 1,930,904 miles of driving, the 2022 GMC Sierra gets a combined Avg MPG of 16.45 with a 0.18 MPG margin of error.

Any Engine Type 5.3L V8 GAS (2) 6.2L V8 GAS (3) DIESEL (3) H6 DIESEL (1) L3 DIESEL (2) L4 GAS (1) L6 DIESEL (10) L6 GAS (1) L8 GAS (2) V10 GAS (1) V8 DIESEL (9) V8 GAS (8) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (4) Crew Cab Pickup (25) Cab & Chassis (1) Extended Crew Cab Pickup (1) Cab & Chassis - Crew Cab (2) Any Submodel SLE (2) Base (8) 1500 Limited AT4 (9) 1500 Limited Elevation (3VL) (14) 2500 HD Denali (21) Denali (22) 1500 AT4 (30) Other (19)

Below you can see a distribution of the fuel-ups with 47 outliers (0.81%) removed.

Following shows the average MPG of each of the 125 vehicles in the system.

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• My Sierra

  2022 GMC Sierra Denali
  Added Sep 2022 • 5 Fuel-ups

  Property of TheCrazyLudwig

• 22.7 Avg MPG

• My Sierra

  2022 GMC Sierra Denali DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2022 • 20 Fuel-ups

  Property of Reese59

• 24.1 Avg MPG

• 2022 Sierra

  2022 GMC Sierra L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 9 Fuel-ups

  Property of hmichel001

• 24.2 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added Nov 2022 • 4 Fuel-ups

  Property of mhamilton0926

• 16.7 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added Oct 2022 • 6 Fuel-ups

  Property of DreamMP3

• 25.5 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 AT4
  Added Mar 2022 • 39 Fuel-ups

  Property of dcoop

• 20.7 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited AT4
  Added Jul 2022 • 6 Fuel-ups

  Property of luecken

• 16.5 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added Jul 2022 • 6 Fuel-ups

  Property of michaelfaber

• 27.5 Avg MPG

• Denali

  2022 GMC Sierra 2500 HD Denali
  Added Jul 2022 • 9 Fuel-ups

  Property of franko98

• 16.8 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added Aug 2022 • 3 Fuel-ups

  Property of artscars

• 40.9 Avg MPG

• GMC

  2022 GMC Sierra L6 DIESEL Automatic 10 Speed Extended Cab Pickup
  Added Jun 2022 • 8 Fuel-ups

  Property of Bingel

• 22.9 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 AT4
  Added May 2022 • 9 Fuel-ups

  Property of DCode

• 28.3 Avg MPG

• Big truck

  2022 GMC Sierra 2500 HD Denali
  Added Mar 2022 • 12 Fuel-ups

  Property of CBrubaker

• 16.6 Avg MPG

• Whitehorse

  2022 GMC Sierra 1500 SLT L6 DIESEL
  Added Jul 2022 • 5 Fuel-ups

  Property of DieselDR

• 27.1 Avg MPG

• Slut truck

  2022 GMC Sierra 2500 HD Denali
  Added Feb 2022 • 42 Fuel-ups

  Property of Badheadla

• 15.1 Avg MPG

• 22 Purple AT4

  2022 GMC Sierra 1500 AT4
  Added Jun 2022 • 5 Fuel-ups

  Property of JMcCabe

• 19.5 Avg MPG

• 2023 GMC 2500

  2022 GMC Sierra 2500 HD Denali
  Added Jun 2022 • 12 Fuel-ups

  Property of onecooljoe70

• 15.5 Avg MPG

• My Sierra

  2022 GMC Sierra Denali
  Added Mar 2022 • 9 Fuel-ups

  Property of emergency911

• 23.7 Avg MPG

• White lightning

  2022 GMC Sierra
  Added Mar 2022 • 15 Fuel-ups

  Property of ikeleary

• 24.8 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 AT4
  Added May 2022 • 6 Fuel-ups

  Property of DuckDog-TX

• 20.3 Avg MPG

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