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post #1 of 2 (permalink) Old 03-25-2018, 05:53 PM Thread Starter
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Location: McKees Rocks, PA
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Tire Size Question 2008 4door Cobalt LT

Hello. I have a tire size question, we have two Chevy Cobalt's in the household. My wife has a 4 door 2008 LT with 205-55-16 snow tires. I have a 2009 LS that I upgraded to 205-55-16 all season tires. I have a set of 195-60-15 on steel rims from my car that I wanted to put on the 2008 LT but that car came from the factory with the 16in tires. Is it safe to downsize the LT to the 15in tires? I don't see any major suspension difference. not sure what the LT upgrade includes. I really do not want to buy 4 new 16in tires if these 15in ones will work, but the car needs to be safe.

2009 Cobalt 2.2L XFE 4-door
McKees Rocks, PA
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post #2 of 2 (permalink) Old 03-25-2018, 06:39 PM
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It will be completely safe . The side wall will only be .2"taller on the 15"s so should not have any appreciable added roll. Speedometer will be slightly off but only 2.67%. A 195/65-15 would have been perfect but it is what it is.

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Last edited by Coby7; 03-25-2018 at 06:49 PM.
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