Mercedes-Benz GL-Class MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Mercedes-Benz GL-Class model year from 2007 to 2016 — each engine and transmission with its official city, highway and combined figures. Over these years the GL-Class has been offered with 3.0L 6-cyl, 4.7L 8-cyl, 5.5L 8-cyl, 4.6L 8-cyl engines; the most efficient version is the 2008 (up to 20 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Mercedes-Benz GL-Class fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2016 15–19 MPG 3.0L 6-cyl, 4.7L 8-cyl $15,443 12 listings
2015 14–19 MPG 3.0L 6-cyl, 4.7L 8-cyl, 5.5L 8-cyl $13,499 53 listings
2014 14–16 MPG 4.7L 8-cyl, 5.5L 8-cyl
2013 14–16 MPG 4.7L 8-cyl, 5.5L 8-cyl
2012 14–15 MPG 4.7L 8-cyl, 5.5L 8-cyl
2011 14–15 MPG 4.7L 8-cyl, 5.5L 8-cyl
2010 14 MPG 4.7L 8-cyl, 5.5L 8-cyl
2009 14–15 MPG 4.6L 8-cyl, 5.5L 8-cyl
2008 14–20 MPG 3.0L 6-cyl, 4.6L 8-cyl, 5.5L 8-cyl
2007 15–20 MPG 3.0L 6-cyl, 4.6L 8-cyl

2016 Mercedes-Benz GL-Class: engines & MPG

The 2016 GL-Class was EPA-rated in 2 versions (3.0L 6-cyl, 4.7L 8-cyl), with combined economy from 15 to 19 MPG. Used 2016 models currently list for a median of $15,443 on VehiSales (12 for sale).

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 3.0L 6-cyl Automatic 7-spd Premium 17 21 19 MPG
GL550 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG

2015 Mercedes-Benz GL-Class: engines & MPG

The 2015 GL-Class was EPA-rated in 3 versions (3.0L 6-cyl, 4.7L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 19 MPG. Used 2015 models currently list for a median of $13,499 on VehiSales (53 for sale).

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 3.0L 6-cyl Automatic 7-spd Premium 17 21 19 MPG
GL550 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL63 AMG 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2014 Mercedes-Benz GL-Class: engines & MPG

The 2014 GL-Class was EPA-rated in 3 versions (4.7L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.7L 8-cyl Automatic 7-spd Premium 14 19 16 MPG
GL550 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL63 AMG 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2013 Mercedes-Benz GL-Class: engines & MPG

The 2013 GL-Class was EPA-rated in 3 versions (4.7L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 16 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.7L 8-cyl Automatic 7-spd Premium 14 19 16 MPG
GL550 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL63 AMG 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2012 Mercedes-Benz GL-Class: engines & MPG

The 2012 GL-Class was EPA-rated in 2 versions (4.7L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 15 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL550 4matic 5.5L 8-cyl Automatic 7-spd Premium 12 17 14 MPG

2011 Mercedes-Benz GL-Class: engines & MPG

The 2011 GL-Class was EPA-rated in 2 versions (4.7L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 15 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL550 4matic 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2010 Mercedes-Benz GL-Class: engines & MPG

The 2010 GL-Class was EPA-rated in 2 versions (4.7L 8-cyl, 5.5L 8-cyl), with combined economy of 14 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.7L 8-cyl Automatic 7-spd Premium 13 17 14 MPG
GL550 4matic 5.5L 8-cyl Automatic 7-spd Premium 12 17 14 MPG

2009 Mercedes-Benz GL-Class: engines & MPG

The 2009 GL-Class was EPA-rated in 2 versions (4.6L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 15 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL450 4matic 4.6L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL550 4matic 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2008 Mercedes-Benz GL-Class: engines & MPG

The 2008 GL-Class was EPA-rated in 3 versions (3.0L 6-cyl, 4.6L 8-cyl, 5.5L 8-cyl), with combined economy from 14 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL320 CDI 4matic 3.0L 6-cyl Automatic 7-spd Diesel 18 24 20 MPG
GL450 4matic 4.6L 8-cyl Automatic 7-spd Premium 13 18 15 MPG
GL550 4matic 5.5L 8-cyl Automatic 7-spd Premium 13 17 14 MPG

2007 Mercedes-Benz GL-Class: engines & MPG

The 2007 GL-Class was EPA-rated in 2 versions (3.0L 6-cyl, 4.6L 8-cyl), with combined economy from 15 to 20 MPG.

VersionEngineTransmissionFuelCityHwyCombined
GL320 CDI 4matic 3.0L 6-cyl Automatic 7-spd Diesel 18 23 20 MPG
GL450 4matic 4.6L 8-cyl Automatic 7-spd Premium 13 17 15 MPG

Frequently asked questions

What MPG does a Mercedes-Benz GL-Class get?

Depending on year and engine, EPA combined ratings for the GL-Class range from 14 to 20 MPG. The most efficient rated version is the 2008 model year.

What engines does the 2016 Mercedes-Benz GL-Class have?

The 2016 GL-Class was EPA-rated with 3.0L 6-cyl, 4.7L 8-cyl engines — see the 2016 table above for each version's exact city/highway figures.

Does the Mercedes-Benz GL-Class require premium gas?

Some versions do: EPA lists premium gasoline and diesel depending on year and engine — check your year's table above.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Mercedes-Benz GL-Class EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/mercedes-benz/gl-class.

See also: Mercedes-Benz GL-Class hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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