Based on data from 254 vehicles, 24,003 fuel-ups and 7,212,290 miles of driving, the 2014 GMC Sierra 1500 gets a combined Avg MPG of 15.65 with a 0.04 MPG margin of error.

Any Engine Type 4.3L V6 FLEX (19) 5.3L V8 FLEX (168) 6.2L V8 GAS (26) GAS (2) V6 GAS (6) V8 GAS (24) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (16) Crew Cab Pickup (48) Cab & Chassis - Crew Cab (2) Any Submodel Base (15) Denali (19) SLE (92) SLT (92) Other (36)

Below you can see a distribution of the fuel-ups with 1100 outliers (4.38%) removed.

Following shows the average MPG of each of the 254 vehicles in the system.

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• ...
• 12
• 13
• »

• Sierra 1500 6.2L

  2014 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2020 • 164 Fuel-ups

  Property of srquill

• 15.2 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Feb 2021 • 237 Fuel-ups

  Property of Firebird455

• 16.8 Avg MPG

• Truck

  2014 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Aug 2018 • 1111 Fuel-ups

  Property of shuckeba

• 11.2 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 94 Fuel-ups

  Property of dkelly9

• 16.6 Avg MPG

• Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2023 • 417 Fuel-ups

  Property of BMooyaso

• 18.9 Avg MPG

• Sierra 1500 - 2014

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added May 2019 • 194 Fuel-ups

  Property of SGwyn

• 14.8 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2020 • 434 Fuel-ups

  Property of capnmo

• 14.3 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2020 • 190 Fuel-ups

  Property of Don31980

• 14.3 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Dec 2018 • 353 Fuel-ups

  Property of bnlitton

• 15.2 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Feb 2024 • 14 Fuel-ups

  Property of Bward7

• 13.9 Avg MPG

• GMC Sierra

  2014 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
  Added Oct 2019 • 234 Fuel-ups

  Property of JoynerFuel

• 16.3 Avg MPG

• Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jul 2018 • 199 Fuel-ups

  Property of SallySilverado

• 16.6 Avg MPG

• 2014 Sierra Denali

  2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jul 2018 • 165 Fuel-ups

  Property of smokinu454

• 15.3 Avg MPG

• Gmc Sierra

  2014 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Sep 2018 • 357 Fuel-ups

  Property of blazer6596

• 16.5 Avg MPG

• My Denali

  2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Jan 2023 • 56 Fuel-ups

  Property of rwetzeler

• 13.1 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Jun 2023 • 45 Fuel-ups

  Property of DLoewen

• 14.5 Avg MPG

• Haul It! 2

  2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
  Added Mar 2019 • 128 Fuel-ups

  Property of pcotto87

• 15.7 Avg MPG

• George

  2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jun 2020 • 399 Fuel-ups

  Property of GeorgeParker

• 19.7 Avg MPG

• GMC Sierra

  2014 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Oct 2016 • 334 Fuel-ups

  Property of corvettec5dave

• 17.8 Avg MPG

• My Sierra 1500

  2014 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
  Added Sep 2018 • 263 Fuel-ups

  Property of Gott42

• 14.9 Avg MPG

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• ...
• 12
• 13
• »