245 50 20 for 2011 GLK350 4Matic Anyone try this size? Possible consequences.
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GLK350
245 50 20 for 2011 GLK350 4Matic Anyone try this size? Possible consequences.
Hi.
Just purchased a used 2011 GLK350 that is in serious need of new tires. Found a great deal on some Toyo tires that are 245 50 20.
I have read all the posts here on tires and realize that 245 45 20’s will fit.
I am wondering if anyone has tried a 245 50 20? The diameter is about 1.4 inches larger. Revs per mile goes from 737 to 700 and the tire size guides report a 4.7% difference in diameter. Speedo would be off as well.
Is it possible to change the tire size in the computer?
Another size for consideration is a 255 40 20. In the threads I have found some report rubbing and some do not. If anyone has experience with this size I would love to hear about your experiences. The tire diameter is the similar to stock buit is wider.
Thanks in advance for any help and advice.
Ken
Just purchased a used 2011 GLK350 that is in serious need of new tires. Found a great deal on some Toyo tires that are 245 50 20.
I have read all the posts here on tires and realize that 245 45 20’s will fit.
I am wondering if anyone has tried a 245 50 20? The diameter is about 1.4 inches larger. Revs per mile goes from 737 to 700 and the tire size guides report a 4.7% difference in diameter. Speedo would be off as well.
Is it possible to change the tire size in the computer?
Another size for consideration is a 255 40 20. In the threads I have found some report rubbing and some do not. If anyone has experience with this size I would love to hear about your experiences. The tire diameter is the similar to stock buit is wider.
Thanks in advance for any help and advice.
Ken
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Joined: Jul 2012
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From: WI
GLK 250
https://tiresize.com/comparison/Edit: what exactly is "a great deal" these days? For comparison, I put 4 new Michelin Premier LTXs in stock 235/50/R19s for under $900.
How much more would you be saving by not using OEM sizes?
Last edited by andreigbs; Aug 7, 2019 at 04:48 PM.
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GLK350
Thanks for the reply.
The deal was at Walmart on some Toyo Open Country Q/T 245 50 20 for $465 US plus install.
Too nervous about the increase in diameter after comparing stock with that size.
Ended up with Continental DWS06 in a 245 45 20 for about $815 US plus install and am happy with them.
No rubbing but needed an alignment as it was out a fair bit and wearing the old tires unevenly. Lots of wheel damage indicating lots of curbing.
Now the brakes, tires, alignment and wheel refinishing is all done.
Time to enjoy..
The deal was at Walmart on some Toyo Open Country Q/T 245 50 20 for $465 US plus install.
Too nervous about the increase in diameter after comparing stock with that size.
Ended up with Continental DWS06 in a 245 45 20 for about $815 US plus install and am happy with them.
No rubbing but needed an alignment as it was out a fair bit and wearing the old tires unevenly. Lots of wheel damage indicating lots of curbing.
Now the brakes, tires, alignment and wheel refinishing is all done.
Time to enjoy..
