Are Firestone WeatherGrip tires good in snow?

Can I use 245 65R17 instead of 235 65R17?

Expert Reply: You might be able to replace a 235/65-17 with a 245/65-17 tire. The tires you have now, 235/65-17, are about 9.25 inches wide and 29 inches tall. The 245s on the other hand are 9.65 inches wide and 29-1/2 inches tall.

What is a 235 tire equivalent to?

What does 65R17 mean on a tire?

Tire sizes are expressed with three numbers. For example, on a P215/65R17 tire, 215 is the width of the tire in millimeters; 65 is the aspect ratio or profile, meaning that the height of the sidewall is 65% of the width of the tread; and 17 is the diameter of the wheel on which it is mounted.

What do last 3 digits of tire size mean?

The final figure in a tire size sequence is the speed rating, which is indicated by a letter: P225/70R16 91S. Just as your load index number corresponds to a specific load, your speed rating letter corresponds to a particular speed capability based on a standardized laboratory test.

What do the 3 numbers mean on tire size?

B: TIRE WIDTH The three-digit number following the letter is the tire’s width (from side to side, looking at the tire head on) in millimeters. This may also be referred to as the section width. C: ASPECT RATIO The forward slash separates the tire width number from the two-digit aspect ratio.

How do you read tire sizes in inches?

A standard sized tire will be displayed in inches. A tire that reads 33 x 12.5 R15, is 33-inches in diameter (or tall), 12.5-inches wide, and will fit a 15-inch wheel.

How much difference in tire size is ok?

Tire Speed Difference (Mph)

As a general rule, you want replacement tires that are within 3 percent of the diameter (height) measurement of your existing tires’ diameter — assuming your current tires are what your owner’s manual recommends.

Does the middle number on tires matter?

The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.

How do you match a tire to rim size?

Width and diameter are the two factors that determine tire and rim compatibility. For diameter you’ll need to be sure that your tires and wheels are an exact match, e.g. a 215/65R17 tire will only fit on a 17″ diameter wheel. There’s a bit more flexibility when it comes to wheel widths.

Can you put a different size tire on a different size rim?

Tires are a part of the wheel setup. For instance, your vehicle has a set size of rims, but you can buy different sizes of tires to fit those rims, as long as the middle of the tires is the correct size. That being said, a vehicle with bigger rims will often be able to fit larger tires than other vehicles.

Is bigger rim size better?

One of the most significant benefits of larger wheel size is increasing the vehicle’s stability because the wheels cover a wider surface area and increase vehicle stability. Larger wheels significantly reduce the braking distance, while smaller wheels require a greater stopping distance.

How wide is a 235 tire in inches?

9.3 inches (235mm) is the tire width, this may also know as the section width. 15 inches (381mm) represent the rim diameter or called the wheel diameter that can be mounted on.

What is the best tire width?

Can I replace my 235 tires with 245?

In this example, yes it is possible for a 235 tire to be changed with a 245 tire if your vehicle is suitable for the change. The 245 tire will be slightly larger than the 235 tire and depending on the vehicle, there may not be enough room to safely fit a larger tire.