245/45R19 vs. P245/45ZR19 - both ok?

[UMDrummer]

I'm buying a set of four tires. Could someone tell me if there would be a huge difference between the safety here? I would prefer to get the cheaper model.

https://www.tirerack.com/tires/tire...=Mustang GT Coupe&autoModClar=Standard Brakes


https://www.tirerack.com/tires/tire...=Mustang GT Coupe&autoModClar=Standard Brakes

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[VinnAY]

Its the speed rating the "Z" is rated for over 149mph.

 

[UMDrummer]

Its the speed rating the "Z" is rated for over 149mph.

I won't be going that fast... lol. Aside from speed rating, they would both be equal then? Thanks.

 

[VinnAY]

I would go the cheaper tire, I think they're otherwise equal.

 

[Banjo]

The tire with the higher speed rating is built with either tighter tolerances or better materials to allow it to handle higher speed/heat. If you are just commuting with your car either should be fine. The only reason I would go with the higher speed rating tire is if you drive aggressively/track the car, or plan on heavily modifying it for more power, better suspension.

 

[Ilovemyv8]

Unless you are looking for winter tires, check these out.

http://www.discounttire.com/dtcs/tires/barum/size/bySize.do?cs=255&ar=40&rd=19&x=35&y=22

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