Real MPG: Mercedes-Benz GL-Class (2006 - 2013) GL420 CDI

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24.4
Official MPG
(NEDC)
17.8–25.6
Real MPG
22.4
Real MPG
Average
92%
of Official MPG
(NEDC)

More engines available for this model:

Engine Official MPG (NEDC) Official MPG (WLTP) Real MPG Avg. Real MPG %  
GL320 CDI 29.1 mpg - 23.2 mpg 80% Submit
GL350 CDI BlueEfficiency 30.7 mpg - 24.2 mpg 79% Submit
GL450 CDI 24.4 mpg - - - Submit
GL500 20.8 mpg - 20.1 mpg 97% Submit
*Based on WLTP MPG values

Read the Honest John review...

Mercedes-Benz GL-Class (2006 - 2013)

Supremely comfortable. Genuine seven-seater. Immensely competent on and off road. Very refined and luxurious. GL420 CDI model is immense.

Rivals

Mercedes-Benz GL-Class (2006 - 2013) 22.7 avg mpg
Jeep Wrangler (2007 - 2018) 23.8 avg mpg
Mitsubishi Outlander (2007 - 2012) 36.0 avg mpg
Peugeot 4007 (2007 - 2012) 33.6 avg mpg

View more rival models