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2015 GMC Sierra 1500 MPG

Based on data from 220 vehicles, 24,343 fuel-ups and 7,041,332 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.69 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 743 outliers (2.96%) removed.

Following shows the average MPG of each of the 220 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Ali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Sep 2021 • 95 Fuel-ups

    Property of WPro

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 362 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.2 Avg MPG
  • GMC 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2019 • 239 Fuel-ups

    Property of slatejoh

  • 14.4 Avg MPG
  • 2015 GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 309 Fuel-ups

    Property of bluez06

  • 15.1 Avg MPG
  • Team Blue (Truck)

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2022 • 208 Fuel-ups

    Property of TeamBlue

  • 15.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 6 Speed
    Added Dec 2024 • 21 Fuel-ups

    Property of mbishop62

  • 12.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 475 Fuel-ups

    Property of Karels

  • 16.8 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 461 Fuel-ups

    Property of Arctic388

  • 16.3 Avg MPG
  • Corys 2015 Seirra

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 390 Fuel-ups

    Property of MrFastcars

  • 14.7 Avg MPG
  • GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2021 • 431 Fuel-ups

    Property of jarrett85

  • 15.2 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 207 Fuel-ups

    Property of dennisp2938

  • 13.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2023 • 76 Fuel-ups

    Property of kblunt

  • 16.0 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 366 Fuel-ups

    Property of dbowman711

  • 15.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2021 • 61 Fuel-ups

    Property of Colton1500

  • 13.7 Avg MPG
  • 2015 GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2018 • 345 Fuel-ups

    Property of mnvik28

  • 14.6 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 378 Fuel-ups

    Property of dustin8201

  • 14.5 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 398 Fuel-ups

    Property of humenfly

  • 17.4 Avg MPG
  • Joey's GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 264 Fuel-ups

    Property of Shakora

  • 14.1 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added May 2020 • 113 Fuel-ups

    Property of richardmnagle

  • 10.4 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic Crew Cab Pickup
    Added Dec 2024 • 588 Fuel-ups

    Property of FLDawg

  • 15.2 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Accelerate to save gas

I saw a tip a few moments ago about accelerating and I agree... ...

by mdxrox

Read more tips