Based on data from 141 vehicles, 6,438 fuel-ups and 2,461,252 miles of driving, the 2023 GMC Sierra 1500 gets a combined Avg MPG of 21.08 with a 0.15 MPG margin of error.

Any Engine Type 2.7L L4 GAS (5) 3.0L L6 DIESEL (83) 5.3L V8 GAS (17) 6.2L V8 GAS (20) Any Body Style Extended Cab Pickup (1) Crew Cab Pickup (34) Any Submodel Pro (1) SLE (2) AT4X (7) Denali Ultimate (8) SLT (19) Elevation (21) Denali (30) AT4 (53)

Below you can see a distribution of the fuel-ups with 65 outliers (1.00%) removed.

Following shows the average MPG of each of the 141 vehicles in the system.

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »

• 2023 GMC 1500 AT4

  2023 GMC Sierra 1500 AT4
  Added Jan 2023 • 136 Fuel-ups

  Property of OrangeMonza

• 20.5 Avg MPG

• Walter

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 38 Fuel-ups

  Property of dynmite

• 20.4 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2023 • 112 Fuel-ups

  Property of Dkelley03

• 22.4 Avg MPG

• AT4 Carbon Pro

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 56 Fuel-ups

  Property of Rizzo5586

• 27.2 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 211 Fuel-ups

  Property of artmax480

• 19.5 Avg MPG

• GMC

  2023 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2023 • 60 Fuel-ups

  Property of dak4deals

• 23.0 Avg MPG

• AT4 MiniMax

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Feb 2023 • 193 Fuel-ups

  Property of alm3287

• 26.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 66 Fuel-ups

  Property of JFerenczi

• 27.0 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2023 • 116 Fuel-ups

  Property of jritt74

• 26.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 80 Fuel-ups

  Property of colesims

• 25.0 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4X 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 25 Fuel-ups

  Property of TheEndOfZWorld

• 12.7 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4
  Added Feb 2023 • 83 Fuel-ups

  Property of tunit21

• 23.0 Avg MPG

• Presious 2.0

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2023 • 72 Fuel-ups

  Property of njaybong

• 23.6 Avg MPG

• Jimmy

  2023 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2023 • 56 Fuel-ups

  Property of Cadam96

• 21.0 Avg MPG

• Rush

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

  Property of G35lover

• 21.9 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 95 Fuel-ups

  Property of codymast

• 25.5 Avg MPG

• Sierra 1500 AT4

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2023 • 66 Fuel-ups

  Property of bmudd89

• 22.3 Avg MPG

• Da Sierra 1500

  2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2023 • 86 Fuel-ups

  Property of tadder52

• 21.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4
  Added Mar 2023 • 58 Fuel-ups

  Property of jcrodgers17

• 24.5 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Elevation
  Added Apr 2023 • 137 Fuel-ups

  Property of GussyP

• 19.8 Avg MPG

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »