While a Z-speed rating still often appears in the tire size designation of these tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire’s 168 mph, 270 km/h maximum speed.
What does W mean on a tire?
The letter W denotes the maximum speed rating, which translates 168 mph—not something intended for mom’s minivan. See our list of speed ratings below, which range from a low of “L” (just 75 mph for some off-road tires) to a high of Y (186 mph).
The number “225” stands for the width of the tire in millimeters – so in this case the tire is 22.5 cm wide. The “45” that follows is the aspect ratio – the height of the tire sidewall as a percentage of its width.
What does the T or H mean on tires?
The “T” or “H” on tires pertain to their speed ratings. A T-rated tire can withstand top speeds of up to 118 mph (190 km/h), while an H-rated tire can support up to 130 mph (210 km/h).
V – Speed ratings are represented by letters ranging from A to Z. Each letter coincides to the maximum speed a tire can sustain under its recommended load capacity. For instance, V is equivalent to a maximum speed of 149 mph.
What is the W speed rating on tires?
A relatively new addition to the speed rating chart, tires with speed rating “W” can achieve a maximum sustained speed of 168 mph (270 kph).
Are W rated tires all season?
Standard all-seasons are usually rated S (up to 112 mph) or T (118 mph). Climbing up the scale are the letters H (130 mph), V (149 mph), W (168 mph), Y (186 mph), and ZR (149+ mph).
Mixing tyre speed ratings isn’t recommended. If you are in a situation where you must mix tyre speed ratings (after an emergency puncture, for example) then make sure the lower-rated tyres are on the front axle to prevent turning more sharply than you intended (oversteering).
What is 91V and 91H?
It indicates the maximum speed of the tyre. V tyres have a top speed of approximately 149 mph (240 km/h) and H tyres, approximately 130 mph (210 km/h).
What is 91H on a tire?
The 91H and 91T refer to the tire Load bearing index and speed rating of the tire. (Load Index 91 refers to 1356 Pounds or 615 Kilograms). The H and T refer to the speed rating of the tire. Max Speed for T is 118 mph or 190 km/h (For Family Sedans & Vans) Max Speed for H is 130 mph or 210 km/h (Sport Sedans & Coupes).
What does the 95v on tire mean?
To find out what “95” means, you have to look it up on a Load-Carrying Capacity Per Tire chart. Ninety-five indicates a maximum weight of 1,521 pounds. If the vehicle has its original tires, you can just refer to the doorjamb, which lists the maximum cargo capacity with passengers.
The T or H part of the code indicates the speed rating of the tires. A speed rating of T indicates that the tire can be safely driven up to 118 mph. A tire with an H rating has a higher limit — 130 mph — which means it can be safely driven faster than the tire with the 94T code.
Should I get H or V rated tires?
To support running at higher speeds, V-rated tires will have a stiffer sidewall and slightly firmer ride than H-rated tires. For normal driving conditions the H-rated tire will provide a more comfortable ride and the V-rated should give slightly better handling.
What does 86h mean on a tire?
The “86” is in regards to your vehicles load rating. “86” is equivalent to 1168 lbs of load per tire. The “H” references the speed rating of the tire. “H” is equivalent to 130 MPH. You can safely use a tire with a higher load/speed rating than what is recommended for your car.
What is the difference between V rated and W rated tires?
This means that a tire with a V-rating, for example, can be driven at 149 miles per hour until it wears out! Less frequently seen ratings are Q 99 mph and R 106 mph- used in some light truck tires. The W rating replaced what was once Z, which was anything above 149 at the time, and is now limited to 168 mph.
