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Can I put lower speed-rated tires on my car?
We certainly don’t recommend it, but if tires of different speed ratings are mounted on a vehicle, the lower speed-rated tires should be placed on the front axle regardless of which axle is driven. For best performance, it is recommended that the same size and type of tire be used on all four wheel positions.
Is it OK to have tires with different speed ratings?
Just remember, never mix and match tires with different speed ratings on your vehicle. This will cause major problems with the handling of your vehicle. Vehicle handling may be affected, and the vehicle’s speed capacity is now limited to the lowest speed-rated tire.
What does speed rating is lower than that of your original tires?
Your actual speed capacity may be less than a tire’s rating. The rating indicates a new tire’s performance in tightly controlled lab settings, not the open road. Tire condition, inflation level, extra cargo, road surfaces and weather are everyday limits that play into a tire’s maximum safe speed.
What happens if you exceed tire speed rating?
The speed rating is there to let you know that you shouldn’t exceed that speed with that tire. If you do for a sustained period of time the air in the tire will heat up and expand causing the tire to explode. It is pretty simple.
Are higher speed rated tires better?
The higher the speed rating, the better control and handling you’ll have at higher speeds. The speed rating system was developed to help control the safe performance of tires at standardized speeds. A tire’s certified speed rating is given a letter from A to Z, ranging from 5km/h (3mph) to above 300 km/h (186 mph).
What is the best speed rating for a tire?
Everyday passenger vehicle tires can be S speed rated, but S tires often prioritize specific performance or function. An M speed rating indicates the tire has been approved for speeds up to 87 mph (140 km/h) and an N is approved for speeds up to just 81 mph (130 km/h) under optimal conditions.
Can I use T rated tires instead of V?
The T will be fine as long as you don’t exceed continued speeds of 118 miles per hour. A lot of the big box places won’t substitute the rating due to legal reasons (don’t want to get blamed for putting T rated tires on a car that went to the track every weekend).
Do you have to lower your speed rating for winter tires?
Yes, it’s important for any tires, but winter ones are an exception from the “no downgrade” rule. You can install tires with a slightly lower rating than your original tires. This is because in winter, people usually drive at slower speeds, so these capabilities become less relevant.
Do you have to have the same speed rating as the tire?
Get tires with the same speed rating. If you don’t, remember that the maximum mph is limited to the tire with the lowest speed rating. Tire speed rating is not like a speed limit posted on highway signs. It’s based on lab simulations and doesn’t account for real-life factors that determine true tire capability: Are the tires fully inflated?
What’s the difference between a higher and lower tire rating?
A tire with a higher speed rating is constructed different than one with a lower rating. This also affects the way the tire–and therefore the car–handles. I have had people who “downgraded” to a lower rating tire and then complained that the car didn’t corner as well or swayed more during freeway lane changes.
Which is more responsive high or low speed tires?
Less flex and the overall construction of the tires with a higher speed rating will make your vehicle more responsive. So, you won’t have to turn the steering wheel more and wait for the reaction of your tires. Lower ratings also perform well and are responsive, but only at the speeds they are designed for.