Does Spare Tire Size Matter?

Can a spare tire be smaller?

While some vehicles do offer a full-size replacement (fifth) tire or just a tire patch kit, the majority of vehicles include a compact spare tire also referred to as a “donut.” These emergency substitutes have a smaller diameter, narrower width, and shallower tread..

Why car spare wheel is smaller?

The main reason your spare tire is smaller is because they are meant to take up less space in your vehicle. Donut spares usually have a smaller diameter, narrower width and shallower tread, which means they make great space-savers. This is especially important to maximize the storage area in your boot.

Can I drive 200 miles on a donut?

A general rule of thumb is to drive no more than 70 miles and no faster than 50 miles per hour before replacing your donut with a new tire. The biggest reason to use these space savers for a short period of time is because they have little to no tread. This makes the spare vulnerable to road hazards and projectiles.

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.

Why is a spare TYRE called Stephanie?

The story begins in 1904. At this time, motor-cars weren’t supplied with spare wheels or tyres and motorists had to provide their own. … They called their device the Stepney Spare Wheel, after the location of their workshop in Stepney Street, Llanelli.

Is a spare tire the same as a donut?

Spare tires are full-size tires that are the same size as your existing tires. … On the other hand, donuts are a temporary spare tire . They are much smaller than your regular tires and are only meant for short distances until you can get a new full-sized tire.

Can you drive 70 mph on a spare tire?

How Fast Can I Drive On A Spare Tire. Spare tires are all rated differently and are indicated as such on the side. They all have a speed rating, but it’s typically understood that spare tires shouldn’t be driven faster than 50 mph. While it’s not recommended to go more than 70 miles, you can stretch the life to 90.

Can I use a 10 year old spare tire?

Most full-size spare tires are designed to last anywhere from seven to 10 years, according to John Paul. That said, drivers should never use a tire with visible damage, such as cracks in the sidewall, punctures, impact bulges or irregular tread wear – all of which are dangerous to drive on.

Can a donut tire go flat?

If you use the spare tire for too long, there is a good chance it will end up flat. In fact, you should only use the spare to drive for about 50 miles at most.

Can you use a 17 inch space saver on car with 18 inch wheels?

Can you use a 17 inch space saver on car with 18 inch wheels? The rolling circumference of the 18-inch wheels and tyres will probably be the same as the 17inch wheels and tyres. As wheels get bigger, profiles get lower. So the emergency spare for the 17s should be okay for the 18s.

How do I lose my spare tire?

Fat around the stomach and waist can be caused by a variety of factors. “The spare tire is excess body fat stored around the midsection when our calorie balance is off,” Wilson explains. Caused by an imbalance between calorie intake and output, poor diet and insufficient activity are the main culprits of belly fat.

How much does a spare tire cost?

Spare tire prices vary greatly depending on the type of spare you purchase, and often start at $100 and go up. A full-size matching spare generally costs more than twice that of a compact temporary. Some donut tires can be purchased online for as low as $50, but are more expensive at a tire retailer.

What size is a spare tire?

Goodyear Convenience Spare Tire Specs ChartSizeDiameterRim RangeT115/70D15 90M SL BSW21.4″4-4″T155/90D16 110M SL BSW26.8″4-4″T155/90D16 100M LL BSW27″4-4″T135/70D17 92M LL BSW24.8″4-4″10 more rows

Is it OK to put 2 different size tires on a car?

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.

Why do new cars not have spare tires?

Carmakers are skipping the spare because of regulatory pressure to squeeze more miles out of every gallon of fuel: Ditching the 40 or 50 pounds that a tire and jack usually add to a car’s weight helps to increase fuel economy slightly.

Why is a spare tire called a donut?

Just because the early spares used to be the same size as the rest of the wheels, and then they came out with the space saver spares on some cars, so the smaller sized tires and rims, with the same lug nut hole spacing, were dubbed the donut nickname.

Can I use 225 tires instead of 215?

Unless you’re exploring the limits of the car’s performance, most drivers probably wouldn’t notice a difference between a 225 and a 215, all else being equal. If the outer circumference is a little different, the speedo may be a tiny bit off.

Can wrong size tires damage car?

Unfortunately, altering the tire size of a vehicle without thorough and careful consideration is a decision that can really bite. Fitting the wrong tire size can cause damage to a vehicle, and is a real safety hazard as well.