The tire is a (P) passenger tire, with a tread width of 275 millimeters, the sidewall is 55% as tall as the tread (section width) is wide, and the wheel diameter is 20 inches.
How big is a 275 55 20 tire?
275/55R20 tire has an overall diameter of 31.9 inches or 810 mm that represents the outer diameter of the tire or tire height.
 
What does 275 mean on a tire?
The numbers in the tire size refer to its width, aspect ratio, and wheel diameter. “275/35R19” means the tire is 275 mm wide, has an aspect ratio (that is, the width divided by the height) of 35%, and fits on a 19″ wheel.
 
What does 111s mean on a tire?
The measurement ends with the load index 111 or maximum weight that each wheel can bear and the speed index S or the maximum speed for which the tire has been approved.
 
What does 275 55R20 on a tire represent? – Related Questions
 
What’s better load range D or E?
What’s Better: Load Range D or E? Load range D and E tires have different weight capacities. For example, a load range D tire can handle 1,220 lbs at 65 PSI, while an E tires carry loads at 80 PSI. If looking at their load durability, load range E tires are better, but that is the only difference between them.
 
Are wider tires better?
From a safety point of view, both types have their good sides: On a dry road, wider tires will offer more grip than narrow ones, but the risk of aquaplaning will be higher with wide tires. – In the winter, narrow tires are better under extreme conditions as they provide higher surface pressure against the road.
 
What does T or S mean on tires?
Q – Up to 99 mph. R – Up to 106 mph. S – Up to 112 mph. T – Up to 118 mph. H – Up to 130 mph.
 
What is difference between S and T on tires?
For tires with a maximum speed capability higher than 240 km/h (149 mph), a “ZR” may appear in the size designation. Tires with a maximum speed capability higher than 300 km/h (186 mph), require a “ZR” in the size designation.
Tire Speed Rating Chart.
 
| SPEED SYMBOLS | 
| S | 
180 | 
112 | 
| T | 
190 | 
118 | 
| U | 
200 | 
124 | 
| H | 
210 | 
130 | 
 
 
 
What is S or T on tires?
S — Up to 112 mph. T — Up to 118 mph. H — Up to 130 mph. V — Up to 149 mph. W — Up to 168 mph.
 
What does 112S mean on a tire?
* 112S, usually the last number and letter combination in the sequence, represents the load index (112) and speed rating (S).
 
Do H or V rated tires last longer?
Sticking with H-rated tires comes at a cost. While we found prices are similar to S- and T-rated tires, H-rated tires didn’t last as long in our treadwear test–an average of 49,180 miles, versus 61,080 for our S- and T-rated tires. V-rated tires had an even shorter tread life of 48,260 miles.
 
What does R mean on a tire?
“R” stands for the construction method of the tire indicating the tire is a radial tire. The following two numbers (16) indicate the diameter of the wheel rim in inches. The next two or three numbers (94) indicate the load index of the tire.
 
What does H mean on a tire?
“H” represents the speed rating, which is how fast the tires can go based on their load capacity. This rating ranges from A – Z. “H” indicates a speed rating of up to 130 mph.
 
Do wider tires hurt gas mileage?
Tire Size. Larger tires decrease your fuel economy because they are heavier, while smaller tires increase fuel efficiency.
 
What does P mean on a tire?
P identifies your tire as a Passenger Tire. The P stands for PMetric. If your tire size starts with LT rather than a P than it identifies the tire as a Light Truck tire. 225 identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters.
 
Which is better T or H rated tires?
H-Rated Tires: This is a perfect, average tire for most sedans and commuter vehicles. It might not seem to fit in our chart, but the tire speed rating “H” is rated for up to 130 mph. T-Rated Tires: This tire is often recommended for family sedans and vans. It’s rated for up to 118 mph.
 
Which tire is better for fuel efficiency?
1. Michelin Energy Saver A/S. The Michelin Energy Saver A/S is one of the most popular fuel-efficient tires on the market. This tire is designed for drivers who want to save on gas and wear and tear – it promises a longer life span than many other options.
 
What is the best traction grade on tires?
Traction. Traction markings indicate how well a tire will perform in wet conditions. The traction rating can be AA, A, B or C. AA is the highest level of wet traction and C is the lowest.
 
What happens if you exceed tire speed rating?
Running a tire at speeds higher than its rating can shorten the tire’s life and potentially lead to a tire damage which could result in an accident, so it is important to follow the manufacturer’s speed rating recommendations when you are choosing tires.
 
Which is better Michelin or Pirelli?
Pirelli and Michelin both offer premium quality designs for passenger cars, SUVs, and motorcycle tires. But if we are talking about the larger catalogue of tires, Michelin is surely better. Especially in the family of touring tires where Michelin has produced a lot namely the Defender, Primacy, and Premier.