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Time for new shoes on my Chally.
It has 245/45ZR20 all the way around.

Looking at Tirerack.com they list 245 for front and 255 rear.

Can I get away with this or is there info wrong.

I have the stock, silver SRT wheels (20x8) I believe.

Thanks for your time.

Varooom
 

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2016 SXT Plus Blacktop
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Your rims may be 20x9, and you can run 275/40 on the rear if you like. A Guy
 

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If you have the stock Alcoa forged aluminum wheels, they are 9 inches wide. As A Guy said, you can go as wide as a 275/40-20.

 

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What Tire Rack shows is the factory staggered set for summer tires which is what my '09 SRT came with - F1 Supercar tires.
 

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The staggered size was stock on the manual transmission SRT's. the automatics came 245 all around. You can run 255's w/o an issue on the automatics.
 

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The staggered size was stock on the manual transmission SRT's. the automatics came 245 all around. You can run 255's w/o an issue on the automatics.
My 2009 Automatic transmission SRT came with the optional staggered summer tire setup. Don't know about the 2010s.
 

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Time for new shoes on my Chally.
It has 245/45ZR20 all the way around.

Looking at Tirerack.com they list 245 for front and 255 rear.

Can I get away with this or is there info wrong.

I have the stock, silver SRT wheels (20x8) I believe.

Thanks for your time.

Varooom
Since your original question was posted about 2 months ago, this may no longer be a question.
None the less, if you do have an 8" wheel that would be acceptable for a 255/45 tire.
If you want to find out for sure, you could look at the back side of the wheel where there's a good chance it will show the size.
A 9" wheel would allow you to mount a tire size ranging from 245/45 to 275/40.
 
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