What wheels are these? - Dodge Challenger Forum: Challenger & SRT8 Forums
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post #1 of 7 (permalink) Old 03-19-2019, 04:14 PM Thread Starter
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What wheels are these?

It's time to buy new tires for my Challenger and the tires on my car are a different size than the TireRack selection guide. I'm guessing the previous owner switched rims - what size tires should be on these rims? Current tire size is 275/35-20. The speedometer is off by about 5-7 mph on the highway.
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post #2 of 7 (permalink) Old 03-19-2019, 04:17 PM
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A quick google search revealss they are Alcoa 20x9 SRT8 forged wheels. 245 40R20 should be the stock tire size.


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post #3 of 7 (permalink) Old 03-19-2019, 04:21 PM
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A quick google search revealss they are Alcoa 20x9 SRT8 forged wheels. 245 40R20 should be the stock tire size.


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you sure not 245/45 R20?

That would make 275/40 R20 the same height but wider.
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post #4 of 7 (permalink) Old 03-19-2019, 04:26 PM
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you sure not 245/45 R20?



That would make 275/40 R20 the same height but wider.


Thank you for the correction, should be 245/45/R20


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post #5 of 7 (permalink) Old 03-19-2019, 04:34 PM
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It's time to buy new tires for my Challenger and the tires on my car are a different size than the TireRack selection guide. I'm guessing the previous owner switched rims - what size tires should be on these rims? Current tire size is 275/35-20. The speedometer is off by about 5-7 mph on the highway.
you want 275/40 R20's. That will fix the Speedometer and fill the wheel well a little better.
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post #6 of 7 (permalink) Old 03-19-2019, 04:36 PM
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post #7 of 7 (permalink) Old 03-19-2019, 05:00 PM Thread Starter
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Thanks guys! It looks like 275/40-20 are the ones I want!
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