Can't find OEM size aftermarket rims

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Phoenix
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2020 CX5 signature
Mazda brochures show OEM rim size for the Signature as 19x7, but Tire Rack only has rims as small (width) as 19x8. What gives? For weight & OEM driving dynamics I really wanted to stay OEM rim size. And I don't know how OEM tires made for a 7" width would fit on an 8".

Or, what do I gain or lose by going 19x8 - I know I'd have less tire extending out to help guard against curb rash.

Also, will an offset of 40 work (OEM I think is 45)?
 
Last edited:
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Toronto, ON
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2021 CX-5 GT Turbo
7" wide rim is weird for this car, too narrow looking and doesn't allow you to run wider tires. I'd go with a 19x8 or any other 8" wide rim which will allow you to use the same tire, or slightly wider.

I sold the OEM rims and tires the same day I picked up the car. I went with a 18x8 rim and 225/60-18 winter tire, and will go with a 18x8 OEM Mazda rim and 245/55-18 summer tire.
 
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Phoenix
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2020 CX5 signature
A 19x8 will fit with no modification needed to the car? What does that do to the standard 225/55/19's that are now on stock 19x7's?
 
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Toronto, ON
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2021 CX-5 GT Turbo
Yes, 19x8 ET45 will fit with no modification. The tires will look and function the same. 225mm = 8.86", so the tires are better suited to an 8" rim anyway.

Here is a 225 tire on an 8" rim:
 

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