# Can I use a 225 70r16 tire to replace a 24570r16 tire if i brake down for a spare?

## Can you run a different size spare tire?

You can drive with a smaller spare tire but not more than 50 miles. Smaller spare tires are not meant to travel for a distance more than 50 miles and speed exceeding 50 mph as they have a much smaller size and little to no tread compared to normal tires for better traction handling and ABS control.

## What does 70R16 mean?

P215/70R16 100S. The next number following the slash (/) indicates the height of the tire in a percentage of the section width. In our example, the number is 70, which means the tire height is 70% of the section width, which is 215 millimeters.

## What happens if one of my tires is a different size?

If you continually use mismatched tires and wheels they will wear out unevenly and can cause problems later down the road. If you choose to drive your vehicle with mismatched wheels the same issues can result. Mismatched wheels will fit each tire differently causing uneven wear and tear.

## What if your spare tire is smaller?

Since the spare tires are small, it maximizes trunk space. The spares have a shallow tread with a narrow width and small diameter. The lighter material for the spare tire also makes it easy to lift and install onto the vehicle. Small spare tires keep the weight of the vehicle down.

## What’s the difference between a 70R16 and an 75R16?

Judging by the tire size index, 265 70R16 has an aspect ratio of 70 whereas 265 75R16 has an aspect ratio of 75. So, the difference between these two tires is 5 in terms of aspect ratio.

## Whats wider 70 or 75 tires?

The sidewall of a 70-series tire will be 70% of the width, a 75 series will be 75% of the width. If you want the same HEIGHT in a 70 series, then you need to go wider in the width — about 219.

## What size tire is p265 70R16?

This number indicates that your tire has a width of 265 millimeters. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width. In this case, the sidewall height works out to be 185 millimeters.

## Does spare wheel have to be same diameter?

Does the space saver size have to be the same? The wheel part of a space saver (excluding tyre) might be a different diameter to the wheel on your car. If that’s the case, the tyre’s greater sidewall height (shown by the aspect ratio) might make up the difference in rolling radius.

## Can you put a regular tire on a spare rim?

You can’t put a regular tire on a spare tire rim because the rim for the spare is not wide enough for a standard tire. You would have to get a regular-sized rim to do that.

## Can you replace a donut tire with regular tire?

The short answer is ‘NO’. A donut spare tire can not be safely interchanged between vehicles. Tire Rack only recommends interchanging donut spare tires with the exact same make and model of car.

## What is a Doughnut tire?

Like a spare tire, a donut tire is a replacement tire that is stored inside your vehicle in case you get a flat tire and need to replace it. Unlike a regular spare tire, though, a donut tire is actually smaller than the regular tires on your vehicle in order to fit into your trunk.

## Can a donut tire be replaced?

If you have a donut on your vehicle, swap it out with a full-size tire within 50 to 60 miles and replace the spare, Paul said. Full-size spares can be used for a longer time, since they match what’s already on the vehicle.

## Do you have to replace a spare tire after using it?

A spare tire may need to be replaced, even if you have never used it. In most instances, a car’s spare tire should be replaced approximately every eight years. Your car’s manual can provide details about how frequently you should replace your vehicle’s spare tire.

## Can you drive on the highway with a spare tire?

When you are driving on the temporary spare tire, you need to keep your speed down. It’s not a full tire, and it is not meant to be driven as one. You will want to keep your speed to 50 MPH or below. Since you can’t go above 50, this means that you cannot drive on the highway with it.