Join Date: Dec 2015
Location: Connecticut USA
Mentioned: 7 Post(s)
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Quoted: 87 Post(s)
My view on it is to get tires for what application you actually are going to use them for. My mother is an old lady who drives a nissan sentra and hits the occasional curb and I just had truck tires installed on her car because they were more durable and less than half the cost only because they were rated 10mph less than the oem size ones. She doesnt even go on the highway so even though they are rated for 90ish mph, she will never hit that ever. Usually tires are rated beyond the normal speed people would reasonably drive the car mainly for safety reasons of heat/melting point. Unless you are drag racing or going unreasonable speeds (doubtful on winter tires lol) then I wouldnt worry too much about the speed ratings. Think of the fastest speed you would go on the highway and just make sure the speed rating is past it (like a good amount not like 1 or 2 mph). Spec V is usually way past the reasonable driving capabilities of the car itself, again this is for safety purposes but also because they like to charge for more "premium" tires. You could even get Y rated tires at 186mph / 300kmh but again that would be unnecessary because you will never use the tires for the intended purposes and would just be paying extra. At the end of the day they all wear down the same (more or less) so no use overpaying for unrealistic capabilites.
Ofcourse if there is local regulations like JPA said, definitly follow those since they take priority first.
Note: There might be some legal aspect to doing this since here reselling the car legally would require you to inform the other person about the new speed rating tires seeing as someone would reasonably assume car tires are oem spec and if they get into an accident because of the new tires (they drive over the tire limit and the tire blows up) then you would be liable for negligence but thats just america's lovely legal system lol.
*Im not good with kilometers but you can get the general idea through a conversion haha sorry
Edit: If it helps my bfgoodrich ko2's are S rated which is a jump from V. Still will never hit 112mph /180kmh on it either way though
2016 CX-3 GT AWD - Crystal White Pearl Mica.
My wants-to-grow-up-to-be-a-rally-car car
Last edited by SlyCoopers; 09-03-2018 at 04:20 PM.
Reason: Current tire rating