Based on data from 18 vehicles, 2,371 fuel-ups and 700,305 miles of driving, the 2009 GMC Yukon XL 1500 gets a combined Avg MPG of 12.95 with a 0.14 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (9) 6.2L V8 FLEX (7) GAS (1) V8 GAS (1) Any Body Style Sport Utility (7) Any Submodel SLE (1) Denali (7) SLT (8) Other (2)

Below you can see a distribution of the fuel-ups with 49 outliers (2.02%) removed.

Following shows the average MPG of each of the 18 vehicles in the system.

• The Truck

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 257 Fuel-ups

  Property of alacercogitatus

• 10.1 Avg MPG

• 09Yukon

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Apr 2018 • 249 Fuel-ups

  Property of mbstayman

• 13.0 Avg MPG

• 09 GMC Yukon XL 1500

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added May 2018 • 434 Fuel-ups

  Property of schahrer

• 15.2 Avg MPG

• '09 Denali

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Jan 2022 • 164 Fuel-ups

  Property of HagueTech

• 12.1 Avg MPG

• My Yukon XL 1500

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Oct 2022 • 19 Fuel-ups

  Property of togetstrong6384

• 13.4 Avg MPG

• Denali

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jul 2024 • 15 Fuel-ups

  Property of vman99

• 14.0 Avg MPG

• GMC Yukon XL 1500

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed Sport Utility
  Added Dec 2019 • 42 Fuel-ups

  Property of ntractv

• 12.2 Avg MPG

• My Yukon XL 1500

  2009 GMC Yukon XL 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2017 • 108 Fuel-ups

  Property of 66GMCTruckin

• 20.1 Avg MPG

• 2009 Yukon XL 1500

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 235 Fuel-ups

  Property of bnwing

• 14.0 Avg MPG

• 4x4

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added May 2018 • 227 Fuel-ups

  Property of swathdiver

• 12.8 Avg MPG

• Yukon

  2009 GMC Yukon XL 1500 Denali 6.2L V8 FLEX Automatic 6 Speed
  Added Feb 2017 • 308 Fuel-ups

  Property of bigsu86

• 10.4 Avg MPG

• 2009 GMC Yukon XLT1 1500

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Aug 2016 • 262 Fuel-ups

  Property of Churchillg

• 14.3 Avg MPG

• Yukon XL

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Jul 2016 • 112 Fuel-ups

  Property of Teeroy78

• 11.5 Avg MPG

• My GMC Yukon XL 1500

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Apr 2017 • 17 Fuel-ups

  Property of Austin0704

• 17.1 Avg MPG

• My Yukon XL 1500

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 4 Fuel-ups

  Property of llucia

• 15.9 Avg MPG

• Yukon

  2009 GMC Yukon XL 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Sport Utility
  Added Aug 2014 • 3 Fuel-ups

  Property of slmmk

• 16.0 Avg MPG

• Family Beast

  2009 GMC Yukon XL 1500 GAS V8
  Added Dec 2013 • 5 Fuel-ups

  Property of tidler13

• 15.2 Avg MPG

• Black Yukon XL

  2009 GMC Yukon XL 1500 GAS
  Added Dec 2009 • 177 Fuel-ups

  Property of rmpeck

• 16.8 Avg MPG