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2011 Mercedes-Benz GL Class Photo
6.0
/ 10
On Green
BASE INVOICE
$56,684
BASE MSRP
$60,950
On Green
The 2011 Mercedes-Benz GL-CLass keeps its green card in check with the turbodiesel GL350; from there, it's a step down to gas-engine fuel economy.
6.0 out of 10
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GREEN | 6 out of 10

Expert Quotes:

2011 Mercedes-Benz GL350 BlueTEC: 17/21 mpg
EPA

2011 Mercedes-Benz GL450: 13/18 mpg
EPA

2011 Mercedes-Benz GL550: 12/17 mpg
EPA



It gets credit for the efficiency wrought by a turbodiesel six-cylinder engine, but the 2011 Mercedes-Benz GL-Class scores poorly overall in our green rating because of its less efficient gas engines.

The least expensive GL--and frankly, our favorite--is the GL350 BlueTEC. It's a turbodiesel that uses an aftertreatment for its emissions, so that it meets tough diesel particulate rules in all 50 states. With an automatic transmission and four-wheel drive, the diesel six earns an EPA rating of 17/21 mpg, good numbers for a vehicle nearly the size of a Chevrolet Tahoe (and just about exactly the size of a diesel-less Dodge Durango).

From the diesel's peak, fuel economy across the GL-Class lineup drops sharply. With the 3.5-liter V-6 aboard, the GL450 checks in at 13/18 mpg. Tap the power of the GL550's 382-horsepower V-8, and fuel economy falls to 12/17 mpg--right down there with the least efficient Escalades and Range Rovers.


Conclusion

The 2011 Mercedes-Benz GL-CLass keeps its green card in check with the turbodiesel GL350; from there, it's a step down to gas-engine fuel economy.

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