Based on data from 18 vehicles, 1,939 fuel-ups and 937,093 miles of driving, the 2008 Mercedes-Benz GL320 gets a combined Avg MPG of 22.65 with a 0.13 MPG margin of error.

Any Engine Type 3.0L V6 DIESEL (16) V6 DIESEL (1) Any Body Style Sport Utility (9) Any Submodel CDI (16) Other (2)

Below you can see a distribution of the fuel-ups with 137 outliers (6.60%) removed.

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

• GL320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Aug 2020 • 55 Fuel-ups

  Property of aMpir3

• 22.0 Avg MPG

• GL320CDI

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Jul 2012 • 519 Fuel-ups

  Property of a2j

• 23.2 Avg MPG

• GL320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Aug 2014 • 287 Fuel-ups

  Property of dagentooboy

• 22.2 Avg MPG

• 2008 MB GL320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Sep 2023 • 255 Fuel-ups

  Property of gbingham

• 24.2 Avg MPG

• GL

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Apr 2023 • 9 Fuel-ups

  Property of Xin668

• 24.3 Avg MPG

• Mercedes

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Mar 2024 • 21 Fuel-ups

  Property of CodeOriginal

• 20.5 Avg MPG

• Benz

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added May 2019 • 34 Fuel-ups

  Property of momspeed

• 21.6 Avg MPG

• GL320 CDI

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Feb 2017 • 312 Fuel-ups

  Property of bossman1

• 22.8 Avg MPG

• Aceman GL320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Aug 2015 • 182 Fuel-ups

  Property of AWDAudi

• 22.8 Avg MPG

• Mercedes

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Apr 2018 • 14 Fuel-ups

  Property of Bradcamp12

• 17.2 Avg MPG

• Z - 2008 GL 320 CDI

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Sep 2016 • 215 Fuel-ups

  Property of hosman31

• 22.4 Avg MPG

• GL 320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed Sport Utility
  Added Jan 2018 • 10 Fuel-ups

  Property of VDUB2NV

• 23.0 Avg MPG

• Mercedes GL320 CDI

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Mar 2017 • 6 Fuel-ups

  Property of dykki

• 20.9 Avg MPG

• Mercedes GL320

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Oct 2015 • 18 Fuel-ups

  Property of plainsimple

• 24.2 Avg MPG

• Mercedes GL 320 CDI

  2008 Mercedes-Benz GL320 CDI 3.0L DIESEL V6 Automatic 7 Sport Utility (4 Door)
  Added Nov 2014 • 5 Fuel-ups

  Property of jasonwlesh

• 22.1 Avg MPG

• MB 320 CDI

  2008 Mercedes-Benz GL320 CDI 3.0L V6 DIESEL Automatic 7 Speed
  Added Aug 2016 • 106 Fuel-ups

  Property of rj8731

• 23.1 Avg MPG

• GL 320

  2008 Mercedes-Benz GL320
  Added Sep 2016 • 84 Fuel-ups

  Property of albiem

• 15.0 Avg MPG

• My MB

  2008 Mercedes-Benz GL320 DIESEL V6
  Added Sep 2008 • 67 Fuel-ups

  Property of cablvr

• 22.4 Avg MPG