Based on data from 116 vehicles, 2,439 fuel-ups and 791,155 miles of driving, the 2022 GMC Sierra gets a combined Avg MPG of 16.20 with a 0.29 MPG margin of error.

Any Engine Type DIESEL (2) 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 (23) Cab & Chassis (1) Extended Crew Cab Pickup (2) Fastback (1) Cab & Chassis - Crew Cab (2) Any Submodel Base (9) 1500 Limited AT4 (12) Denali (15) 1500 Limited Elevation (3VL) (15) 2500 HD Denali (21) 1500 AT4 (26) Other (18)

Below you can see a distribution of the fuel-ups with 16 outliers (0.65%) removed.

Following shows the average MPG of each of the 116 vehicles in the system.

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• Babymax

  2022 GMC Sierra 1500 SLT DIESEL
  Added May 2022 • 27 Fuel-ups

  Property of TDI13

• 25.1 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited AT4
  Added Apr 2022 • 27 Fuel-ups

  Property of phight

• 14.4 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited AT4
  Added Jan 2022 • 51 Fuel-ups

  Property of rdjbowtie

• 18.2 Avg MPG

• 2022 GMC Sierra 3500

  2022 GMC Sierra 3500 HD Denali V8 DIESEL
  Added Jul 2022 • 56 Fuel-ups

  Property of Grunnsetning

• 12.2 Avg MPG

• Sierra AT4 1500 3.0 Diesel

  2022 GMC Sierra 1500 AT4
  Added Apr 2022 • 19 Fuel-ups

  Property of RADGAS

• 22.0 Avg MPG

• Denali HD

  2022 GMC Sierra 2500 HD Denali
  Added Feb 2022 • 117 Fuel-ups

  Property of dubaby69

• 12.6 Avg MPG

• My Sierra

  2022 GMC Sierra Denali
  Added Oct 2022 • 17 Fuel-ups

  Property of pwoody

• 14.9 Avg MPG

• Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added May 2022 • 39 Fuel-ups

  Property of Haeffb

• 17.9 Avg MPG

• 2022 Denali Ultimate

  2022 GMC Sierra Denali V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2022 • 19 Fuel-ups

  Property of grumpyvet

• 22.7 Avg MPG

• Beast

  2022 GMC Sierra 2500 HD Denali V8 DIESEL Automatic 10 Speed Cab & Chassis - Crew Cab
  Added Nov 2022 • 4 Fuel-ups

  Property of SpecMiata23

• 13.4 Avg MPG

• Blackened

  2022 GMC Sierra 2500 SLE V8 GAS
  Added Sep 2022 • 21 Fuel-ups

  Property of GraniteOx

• 14.5 Avg MPG

• My Sierra

  2022 GMC Sierra 2500 HD Denali
  Added Apr 2022 • 41 Fuel-ups

  Property of daviddennis21

• 13.2 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added May 2022 • 21 Fuel-ups

  Property of johnmoua64

• 25.2 Avg MPG

• 22 GMC 2500 HD

  2022 GMC Sierra 2500 HD Denali
  Added Mar 2022 • 49 Fuel-ups

  Property of WaterAce

• 17.2 Avg MPG

• Sierra AT4

  2022 GMC Sierra 1500 AT4 H6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 33 Fuel-ups

  Property of jbarclay12

• 21.3 Avg MPG

• Denali

  2022 GMC Sierra 2500 HD Denali V8 GAS
  Added Sep 2022 • 11 Fuel-ups

  Property of Kamotz

• 11.9 Avg MPG

• My Sierra Elevation

  2022 GMC Sierra Elevation 2.7 L Turbo 4 Cylinder
  Added Dec 2022 • 10 Fuel-ups

  Property of neilmpatterson

• 19.6 Avg MPG

• Truck 30 LG

  2022 GMC Sierra V8 DIESEL Automatic 10 Speed
  Added Mar 2022 • 43 Fuel-ups

  Property of gprp

• 10.9 Avg MPG

• AT4X

  2022 GMC Sierra 1500 AT4
  Added Jul 2022 • 42 Fuel-ups

  Property of mich1989

• 15.0 Avg MPG

• My Sierra

  2022 GMC Sierra 1500 Limited Elevation (3VL)
  Added Jul 2022 • 24 Fuel-ups

  Property of waj5019

• 25.6 Avg MPG

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