Top 5 Least Fuel Efficient GMC Cars

See the top five least fuel efficient GMC Cars to find the GMC model that has the MPG costs that you want. From here you can sort the GMC Cars MPG car list by price, bodystyle, or vehicle type.

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#5

2018 GMC Yukon XL SLT 4WD 4-Dr Sport Utility V8

  • Average MPG Range 18 MPG
  • Fuel Economy 15 MPG city / 22 MPG highway
  • MSRP Range $49,100 - $71,900
  • Value Rating Poor
  • Engine 6.2L V8, 5.3L V8
  • Bodystyles SUV
#4

2018 GMC Yukon XL SLE 4WD 4-Dr Sport Utility V8

  • Average MPG Range 18 MPG
  • Fuel Economy 15 MPG city / 22 MPG highway
  • MSRP Range $49,100 - $71,900
  • Value Rating Excellent
  • Engine 6.2L V8, 5.3L V8
  • Bodystyles SUV
#3

2018 GMC Yukon Denali RWD 4-Dr Sport Utility V8

  • Average MPG Range 18 MPG
  • Fuel Economy 14 MPG city / 23 MPG highway
  • MSRP Range $49,100 - $71,900
  • Value Rating Excellent
  • Engine 6.2L V8, 5.3L V8
  • Bodystyles SUV
#2

2018 GMC Yukon Denali 4WD 4-Dr Sport Utility V8

  • Average MPG Range 18 MPG
  • Fuel Economy 14 MPG city / 23 MPG highway
  • MSRP Range $49,100 - $71,900
  • Value Rating Excellent
  • Engine 6.2L V8, 5.3L V8
  • Bodystyles SUV
#1

2018 GMC Yukon XL Denali 4WD 4-Dr Sport Utility V8

  • Average MPG Range 17 MPG
  • Fuel Economy 14 MPG city / 21 MPG highway
  • MSRP Range $49,100 - $71,900
  • Value Rating Excellent
  • Engine 6.2L V8, 5.3L V8
  • Bodystyles SUV