Based on data from 141 vehicles, 6,386 fuel-ups and 2,442,742 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 (1.01%) removed.

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

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

• Da Sierra 1500

  2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2023 • 85 Fuel-ups

  Property of tadder52

• 21.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 209 Fuel-ups

  Property of artmax480

• 19.5 Avg MPG

• 2023 Sierra Denali

  2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2022 • 48 Fuel-ups

  Property of leloup6989

• 25.3 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 49 Fuel-ups

  Property of Froebe

• 24.3 Avg MPG

• My Sierra 1500 mini max

  2023 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 63 Fuel-ups

  Property of jimmyag

• 29.5 Avg MPG

• 2023 GMC 1500 AT4

  2023 GMC Sierra 1500 AT4
  Added Jan 2023 • 134 Fuel-ups

  Property of OrangeMonza

• 20.4 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 94 Fuel-ups

  Property of codymast

• 25.5 Avg MPG

• AT4x

  2023 GMC Sierra 1500 AT4X 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2024 • 30 Fuel-ups

  Property of sklineman

• 13.9 Avg MPG

• Rush

  2023 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2023 • 45 Fuel-ups

  Property of G35lover

• 21.8 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4X
  Added Apr 2023 • 111 Fuel-ups

  Property of bksatx

• 14.3 Avg MPG

• 2023 GMC Sierra 1500 AT4

  2023 GMC Sierra 1500 AT4
  Added Dec 2022 • 79 Fuel-ups

  Property of ndorval

• 22.0 Avg MPG

• 2023 Sierra

  2023 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 81 Fuel-ups

  Property of ottozone

• 25.1 Avg MPG

• AT4X

  2023 GMC Sierra 1500 AT4X 6.2L V8 GAS Automatic 10 Speed
  Added Feb 2023 • 130 Fuel-ups

  Property of ralph_tony

• 14.4 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 AT4
  Added Feb 2023 • 82 Fuel-ups

  Property of tunit21

• 22.9 Avg MPG

• Squeegee Slinging Mobile

  2023 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jul 2024 • 53 Fuel-ups

  Property of mmstone24

• 16.2 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 Elevation
  Added Apr 2023 • 135 Fuel-ups

  Property of GussyP

• 19.8 Avg MPG

• My Sierra 1500

  2023 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 79 Fuel-ups

  Property of colesims

• 25.0 Avg MPG

• Jonathon’s GMC

  2023 GMC Sierra 1500 Elevation
  Added Jan 2023 • 115 Fuel-ups

  Property of luc_sko

• 26.3 Avg MPG

• AT4

  2023 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2024 • 77 Fuel-ups

  Property of Schilling

• 23.5 Avg MPG

• Denali

  2023 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jul 2023 • 45 Fuel-ups

  Property of mysticpeanut

• 17.3 Avg MPG

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