2013 GL450 or 2014 GL350 - MBWorld.org Forums

Jul 25, 2013 | 01:37 PM

rcpat

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Joined: Jul 2013

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2013 GL450 or 2014 GL350

Hi - I am replacing a 2012 GL350. I have to order a 2014 GL350, none available at dealers. I have the option of going into a 2013 GL450. I have enjoyed the 12 GL350 for it great gas mileage - get up 28 MPG on highway, amazing for a vehicle of its size.

I need members opinions on what to do. What are real world MPG numbers on highways for the GL450? I assume its a smoother engine also.

Thanks for the input.

Last edited by rcpat; Jul 25, 2013 at 01:52 PM.

Jul 25, 2013 | 02:11 PM

JimBarnhart

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Joined: Nov 2007

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From: Minnesota

2015 Ram 2500, former 2013 GL350, 2007 GL450

Welcome, I'd start by reading this post. Real world MPG seems to be about 5 mpg, 450's seem to get up to about 21/22 and 350's seem to get up to about 27/28.

https://mbworld.org/forums/gl-class-...tec-450-a.html