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2009 SRT-8
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Discussion Starter #1
I have a 2009 SRT with factory Goodyear Eagle tires, 245's on the front 255's on the rear.
What was the point of having 2 different sizes?
When the time comes to replace them can I uses one size and take advantage of a 4 tire rotation?
Thanks in advance
 

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I have a 2009 SRT with factory Goodyear Eagle tires, 245's on the front 255's on the rear.
What was the point of having 2 different sizes?
When the time comes to replace them can I uses one size and take advantage of a 4 tire rotation?
Thanks in advance
Offset tires exist because you always want more traction for the rear wheels than in the front. 245's are quite narrow for 470+ BHP so it's no surprise that someone put 255's on the same rim on the rear.

All Challengers come with same size tires front and back but offset tires isn't a problem.

It comes down to personal choice.

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Furious Fuchsia 2010 Challenger R/T Classic A5
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'09 SRT would have the 20x9" Forged Alcoas and you can easily run 275/40R20 on that rim all around (diameter is same as 245/45R20 so no difference between actual speed and speedo as well).
 

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I have a 2009 SRT with factory Goodyear Eagle tires, 245's on the front 255's on the rear.
What was the point of having 2 different sizes?
This was an option and the engineers felt this was the best performance setup at the time with the 9 inch wide wheel. RSA all seasons in 245 all around was standard, with the staggered F1 summer tires optional. This continued thru 2014 until the 9.5 inch wide wheels and 275s began in 2015.




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2009 SRT-8
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30 Posts
Discussion Starter #5
Offset tires exist because you always want more traction for the rear wheels than in the front. 245's are quite narrow for 470+ BHP so it's no surprise that someone put 255's on the same rim on the rear.

All Challengers come with same size tires front and back but offset tires isn't a problem.

It comes down to personal choice.

Sent from my Nexus 6P using Tapatalk
This car came equipped from the factory with 245's & 255's, it was a $100 option.
 
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