# Question: How Tyre Sizes Work?

## How do you read TYRE sizes?

For example, your tyre sidewall marking says, 195/55 16 R 87V, you can read it as: 195 – Section Width. It is the tyre width in mm. 55 – Aspect Ratio. It is the height of the sidewall expressed as a percentage of the tread width. 16 – Rim Diameter. It is the inside diameter of the tyre. 87 – Load Index.

## Can I use 215 tires instead of 205?

For example, if your car has 205 /50-16 tires and you want more grip, you can install a 215 -width or maybe even 225-width tires. For example, you can install a 195 tire in place of a 205 tire.

## Can you put different size Tyres on your car?

Generally, in a front or rear-wheel drive, as long as you have ensured both pairs of tyres are the same, you can have different size vehicles between rear and front if the suspension geometry is set to accommodate for this.

## What do the 3 numbers mean on tire size?

Tire Width Is the width of the tire measured in millimeters from sidewall to sidewall. The first three -digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.

## Can I use 235 tires instead of 225?

Obviously, you will need a certain kind of tire depending on how you use your vehicle. Due to this, a 235 tire might not be better than a 225 tire, or vice versa, but depending on your situation, one tire might serve you better than the other.

## What tire is wider 205 or 215?

The diameter of the 205 is 26.3 inches and for the 215 the diameter is 26.7 inches. That is 0.4 inches of difference meaning that it would raise the height of the trailer by 0.2 inches. This will not only help with the height but also help to prevent over heating which is why many trailer tires fail.

## Can you put different size tires on front and back?

Long story short: Yes, it is a problem to have two tires of different sizes on the front (or back ) of your car. Having two different – sized tires on the same axle is generally not a good thing. Sometimes, people choose to put larger tires on the rear axle of their vehicle for handling reasons, cosmetic reasons, etc.

## Can I use 205 tires instead of 225?

Most time you can use 225 /55R16 instead of 205 /60R16 tires as an example. Of course, you will need to have all of the tire replaced. The difference is minimal in regards to the diameter of the tires.

## How much bigger can you go on tire size?

As a general rule of thumb, it’s safe to fit a tire up to 20 millimeters wider than stock on the original rim. The actual width of the tire will vary depending on the width of the rim: The tire will expand 5 millimeters for every half inch (12.5 millimeters) increase in rim width.

## Can wrong size tires damage transmission?

Increasing Tire or Rim Size Can Cause Premature Wear If you are running an automotive transmission this can cause some serious strain depending on the current gear ratio if you choose not to re-gear your system.

## What happens if you put bigger tires on your car?

Larger wheel diameters can result in faster and more composed handling; however, it can also result in slower acceleration capability. While there are a few disadvantages for any vehicle when increasing the wheel and/or tire size, curb appeal usually outweighs 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.

## Can I use 205 60r16 instead of 205 55r16?

No it won’t. The wheel radius is exactly the same, only the profile slightly different. The radius will be very slightly different. 205 /55 will have a total radius of 519.15mm, while 205 /60 will have a total radius of 529.4mm, so about 2% difference.