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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• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 9 Fuel-ups

  Property of Lma2294

• 21.7 Avg MPG

• 2024 GMC Sierra

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 15 Fuel-ups

  Property of juneau76

• 24.2 Avg MPG

• TRUCK

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 30 Fuel-ups

  Property of l2yan

• 21.8 Avg MPG

• Juan Carlos

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Dec 2023 • 60 Fuel-ups

  Property of prmks1234

• 15.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 46 Fuel-ups

  Property of agbeyer

• 27.8 Avg MPG

• Wednesday

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

  Property of Uthanasia

• 22.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 28 Fuel-ups

  Property of scfountain

• 24.2 Avg MPG

• Storm

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 4 Fuel-ups

  Property of budro3434

• 20.0 Avg MPG

• 2024 GMC SIERRA SLT

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Sep 2024 • 4 Fuel-ups

  Property of RP2u13

• 13.6 Avg MPG

• Onyx Truck

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 6 Fuel-ups

  Property of ShawnFuelly1

• 24.0 Avg MPG

• Thunderstorm

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Sep 2024 • 6 Fuel-ups

  Property of oppie442

• 17.4 Avg MPG

• 2024 GMC Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 4 Fuel-ups

  Property of sk83

• 25.5 Avg MPG

• Blue

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 23 Fuel-ups

  Property of awboxes

• 24.9 Avg MPG

• 2024 GMC Sierra 1500 Denali

  2024 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2024 • 21 Fuel-ups

  Property of Lilfarmtruck

• 14.4 Avg MPG

• Sierra 1500 Denali

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Mar 2024 • 28 Fuel-ups

  Property of blancas

• 15.6 Avg MPG

• Sierra

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 54 Fuel-ups

  Property of JRobson

• 28.7 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 21 Fuel-ups

  Property of MSilb13x

• 22.0 Avg MPG

• My Sierra 1500

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

  Property of Smith83

• 24.3 Avg MPG

• Truck Stuff

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 23 Fuel-ups

  Property of Travo68

• 21.4 Avg MPG

• Whitey

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 27 Fuel-ups

  Property of btango05

• 21.8 Avg MPG

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