Based on data from 262 vehicles, 4,829 fuel-ups and 1,896,458 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.78 with a 0.17 MPG margin of error.

Any Engine Type 2.7L L4 GAS (9) 3.0L L6 DIESEL (199) 5.3L V8 GAS (29) 6.2L V8 GAS (25) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (42) Any Submodel SLE (4) Pro (6) Denali Ultimate (18) AT4X (22) SLT (33) Denali (45) Elevation (53) AT4 (81)

Below you can see a distribution of the fuel-ups with 31 outliers (0.64%) removed.

Following shows the average MPG of each of the 262 vehicles in the system.

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• JimmyPKAT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2024 • 10 Fuel-ups

  Property of verve

• 27.3 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 20 Fuel-ups

  Property of jodyboney

• 24.4 Avg MPG

• (011) 2024 Denali Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 33 Fuel-ups

  Property of Chuito

• 19.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 25 Fuel-ups

  Property of Big_White

• 27.3 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 7 Fuel-ups

  Property of jsiarto

• 13.8 Avg MPG

• Dumbo

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 31 Fuel-ups

  Property of DENALI_24

• 28.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2024 • 4 Fuel-ups

  Property of stick8373

• 28.1 Avg MPG

• White Denali 1500

  2024 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2024 • 51 Fuel-ups

  Property of rabowen09

• 18.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 8 Fuel-ups

  Property of dhamptonii

• 22.5 Avg MPG

• Dads AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2024 • 4 Fuel-ups

  Property of Pboerschlein

• 24.2 Avg MPG

• Denali

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 23 Fuel-ups

  Property of ahualoa

• 16.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 57 Fuel-ups

  Property of jonathan4martin

• 21.9 Avg MPG

• 24 GMC Paul

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 17 Fuel-ups

  Property of BascoBob

• 28.4 Avg MPG

• My Denali Ultimate

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 30 Fuel-ups

  Property of danquenell

• 23.9 Avg MPG

• Work AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 42 Fuel-ups

  Property of pigpen23

• 18.6 Avg MPG

• 2024 GMC Sierra 1500 AT4X

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 10 Fuel-ups

  Property of ormandj

• 19.7 Avg MPG

• USS Thunder Truck

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 40 Fuel-ups

  Property of DoubleA24

• 17.8 Avg MPG

• AT4 #2

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 26 Fuel-ups

  Property of Chrome_Daddy0

• 16.6 Avg MPG

• 2024 GMC AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2023 • 41 Fuel-ups

  Property of RattleNhum

• 21.5 Avg MPG

• 2024 GMC

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jan 2024 • 50 Fuel-ups

  Property of towens

• 17.3 Avg MPG

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