How to Choose the Right Tires
Wonder what all those letters and numbers on your tire's sidewall mean? If you like your current tires, buy more of the same. A tire with a different rating, but the same size and type may give you a smoother ride or better handling in bad weather.
- Difficulty:
- Easy
Instructions
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1
Look at your tire label. It should look something like this: P185/60R 14 82H
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2
Buy for a passenger car. In the tire label, "P" indicates passenger-car tire. Other variations are "LT" for light truck and "T" for temporary or spare tire.
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3
Determine how wide your tires can be. Different cars can fit different sizes. The "185" in our example is the section width of the tire in millimeters. Shorter and narrower tires have lower numbers.
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4
Understand the tire type. In this case it's a radial tire, as shown with the "R."
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5
Figure out how to determine if the tire can fit your wheel rim. The wheel rim in this tire is 14 inches in diameter, indicated by the number after the tire-type symbol.
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6
Here, 82 is this tire's load index, according to the industry standard Maximum Load-Carrying Capacity chart. This tire will safely bear 1,047 lbs. (475 kg). Four of these tires can carry a fully loaded car weighing a maximum of 4,188 lbs. (1,900 kg).
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The last letter (H in this example) is the speed rating: Q (99 mph/159 km per hour), S (112 mph/180 kph), T (118 mph/190 kph), U (124 mph/200 kph), H (130 mph/209 kph), V (up to 149 mph/240 kph), Z (more than 149mph/240 kph), W (168 mph/270 kph), Y (186 mph/299 kph). Speed-rating letters indicate the maximum safe speed the tire is capable of carrying under ideal conditions, for an extended period of driving. You might not feel a difference between riding on T-rated tires and H-rated tires, but you'll save money on the former.
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Tips & Warnings
Check your tire pressure once a month. Improperly inflated tires can cause low gas mileage, a hard ride or even dangerous blowouts.
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Comments
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I need best tires for my golf 4.
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James Maruki
Oct 23, 2007
Well done, my friend. The only thing that I would have added myself is how to determine the production date of the tire itself. I would assume you already know how to do that, so I won't spell it out for you, and I would have also added how to measure the tread depth with an inexpensive tread depth gauge, as well as advising what the built-in tread wear indicators mean. Other than that, good show, old chap. Pip pip and cheerio! haha -
Napaleon
Jun 12, 2007
I am not a better but I like reading your advise. However, it would be nice if you have pictures or diagram to go along with your tire size chart. I am more of a visual person and I am sure I am not alone. Thank you for the advises. Keep up the good work.
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Napaleon
Jun 12, 2007
I am not a better but I like reading your advise. However, it would be nice if you have pictures or diagram to go along with your tire size chart. I am more of a visual person and I am sure I am not alone. Thank you for the advises. Keep up the good work.
