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Mercedes-Benz GL-Class Gas Mileage (MPG)

Mercedes-Benz GL-Class Gas Mileage (MPG):

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercedes-Benz GL-Class's real-world MPG based on how and where you drive a car.

If you are not a TrueDelta member, you can see only five Mercedes-Benz GL-Class MPG gas mileage averages for each powertrain. Log in or join us to see them all.

Mercedes-Benz GL-Class Gas Mileage

Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2011 4dr SUV 382-horsepower 5.5L V8
7-speed shiftable automatic AWD
flat light hvy 1 49 20 30 70 15.0
2011 4dr SUV 382-horsepower 5.5L V8
7-speed shiftable automatic AWD
flat light hvy 1 49 20 30 70 15.0
  Averages flat light hvy 1 49 20 30 70 15.0
With the 382-horsepower 5.5L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2011 Mercedes-Benz GL-Class fuel economy has been averaging 15.0 MPG (miles per gallon).

The 2011 Mercedes-Benz GL-Classs in this analysis were driven mostly in the city (about 49 percent of the miles driven). The rest of the miles were on the highway at an average speed of 70 miles per hour (30 percent), in the suburbs (20 percent), and in heavy traffic (1 percent).

In addition the average 2011 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a light foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light none 2 8 45 45 70 26.5
flat light light 5 5 30 60 65 26.0
flat light hvy 10 15 25 50 60 22.6
flat med light 10 25 35 30 60 21.0
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light light 7 13 34 46 64 24.0
  Averages flat light light 7 13 34 46 64 24.0
With the turbocharged 210hp 3.0L V6 Diesel engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2010 Mercedes-Benz GL-Class has been averaging 24.0 MPG (miles per gallon).

The 2010 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 46 percent of the miles driven). The rest of the miles were in the suburbs (34 percent), in the city (13 percent), and in heavy traffic (7 percent).

In addition the average 2010 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light hvy 0 40 40 20 60 18.0
flat med hvy 0 0 70 30 75 23.6
flat med hvy 0 0 70 30 80 26.0
2009 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat med hvy 0 13 60 27 72 22.5
  Averages flat med hvy 0 13 60 27 72 22.5
With the turbocharged 210hp 3.0L V6 Diesel engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2009 Mercedes-Benz GL-Class gas mileage has been averaging 22.5 MPG (miles per gallon).

The 2009 Mercedes-Benz GL-Classs in this analysis were driven mostly in the suburbs (about 60 percent of the miles driven). The rest of the miles were on the highway at an average speed of 72 miles per hour (27 percent), in the city (13 percent), and in heavy traffic (0 percent).

In addition the average 2009 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2009 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat med light 21 22 27 30 60 18.0
2009 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat med light 21 22 27 30 60 18.0
  Averages flat med light 21 22 27 30 60 18.0
With the 335-horsepower 4.7L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2009 Mercedes-Benz GL-Class fuel economy has been averaging 18.0 MPG (miles per gallon).

The 2009 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 30 percent of the miles driven). The rest of the miles were in the suburbs (27 percent), in the city (22 percent), and in heavy traffic (21 percent).

In addition the average 2009 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat light none 0 10 80 10 70 22.0
flat lead light 17 17 17 50 80 23.1
flat light none 0 0 0 100 68 27.0
flat light none 10 10 15 65 68 24.8
flat med hvy 10 20 20 50 65 22.0
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat med light 7 11 26 55 70 23.8
  Averages flat med light 7 11 26 55 70 23.8
With the turbocharged 215hp 3.0L V6 Diesel engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2008 Mercedes-Benz GL-Class has been averaging 23.8 MPG (miles per gallon).

The 2008 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 55 percent of the miles driven). The rest of the miles were in the suburbs (26 percent), in the city (11 percent), and in heavy traffic (7 percent).

In addition the average 2008 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range
flat med hvy 15 50 15 20 85 18.0
flat med hvy 10 10 40 40 80 16.0
2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range
flat med hvy 13 30 28 30 83 17.0
  Averages flat med hvy 13 30 28 30 83 17.0
With the 335-horsepower 4.7L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive w/low range, 2008 Mercedes-Benz GL-Class gas mileage has been averaging 17.0 MPG (miles per gallon).

The 2008 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 83 miles per hour (about 30 percent of the miles driven). The rest of the miles were in the city (30 percent), in the suburbs (28 percent), and in heavy traffic (13 percent).

In addition the average 2008 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat light none 22 22 25 30 60 20.0
flat med none 20 20 20 40 68 14.5
2008 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat med none 21 21 23 35 64 17.3
  Averages flat med none 21 21 23 35 64 17.3
With the 335-horsepower 4.7L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2008 Mercedes-Benz GL-Class fuel economy has been averaging 17.3 MPG (miles per gallon).

The 2008 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 64 miles per hour (about 35 percent of the miles driven). The rest of the miles were in the suburbs (23 percent), in heavy traffic (21 percent), and in the city (21 percent).

In addition the average 2008 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
flat v.lt none 5 10 20 65 50 27.8
flat light light 0 9 55 36 70 24.0
mtns light light 5 5 5 85 70 26.6
flat med light 0 35 40 25 80 20.3
mtns light light 5 5 5 85 60 27.0
2007 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
hills light light 3 13 25 59 66 25.1
  Averages hills light light 3 13 25 59 66 25.1
With the turbocharged 215hp 3.0L V6 Diesel engine, 7-speed shiftable automatic transmission, and all-wheel drive, the 2007 Mercedes-Benz GL-Class has been averaging 25.1 MPG (miles per gallon).

The 2007 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 59 percent of the miles driven). The rest of the miles were in the suburbs (25 percent), in the city (13 percent), and in heavy traffic (3 percent).

In addition the average 2007 Mercedes-Benz GL-Class in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range
hills light none 20 21 24 34 60 15.0
hills med light 10 20 20 50 60 17.0
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD w/low range
hills med light 15 21 22 42 60 16.0
  Averages hills med light 15 21 22 42 60 16.0
With the 335-horsepower 4.7L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive w/low range, 2007 Mercedes-Benz GL-Class gas mileage has been averaging 16.0 MPG (miles per gallon).

The 2007 Mercedes-Benz GL-Classs in this analysis were driven mostly on the highway at an average speed of 60 miles per hour (about 42 percent of the miles driven). The rest of the miles were in the suburbs (22 percent), in the city (21 percent), and in heavy traffic (15 percent).

In addition the average 2007 Mercedes-Benz GL-Class in this analysis was driven on hilly terrain with a medium foot and the AC on only some of the time.
 
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat light light 20 20 5 55 65 18.0
flat lead none 0 0 100 0 N/A 15.0
hills light none 10 10 50 30 70 19.0
flat med light 10 20 20 50 55 17.5
flat med hvy 5 20 40 35 65 16.7
2007 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
flat med light 9 14 43 34 64 17.2
  Averages flat med light 9 14 43 34 64 17.2
With the 335-horsepower 4.7L V8 engine, 7-speed shiftable automatic transmission, and all-wheel drive, 2007 Mercedes-Benz GL-Class fuel economy has been averaging 17.2 MPG (miles per gallon).

The 2007 Mercedes-Benz GL-Classs in this analysis were driven mostly in the suburbs (about 43 percent of the miles driven). The rest of the miles were on the highway at an average speed of 64 miles per hour (34 percent), in the city (14 percent), and in heavy traffic (9 percent).

In addition the average 2007 Mercedes-Benz GL-Class in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.

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If you are not a TrueDelta member, you can see only five Mercedes-Benz GL-Class MPG fuel economy averages for each powertrain. Log in or join us to see them all.

 

What Our Members Are Saying about the Real Mercedes-Benz GL-Class MPG

Mercedes-Benz GL-Class Fuel Economy: Pros
YearBody/PowertrainComment
2010 4dr SUV turbocharged 210hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
For a large, seven passenger SUV it can deliver upwards of 28 mpg on the highway.
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
25 mpg highway fuel efficiency for a large 7 passenger SUV is fantastic
2008 4dr SUV turbocharged 215hp 3.0L V6 Diesel
7-speed shiftable automatic AWD
Diesel provides 25 MPG on the highway
Mercedes-Benz GL-Class Fuel Economy: Cons
YearBody/PowertrainComment
2010 4dr SUV 335-horsepower 4.7L V8
7-speed shiftable automatic AWD
15 mpg average. premium fuel.