Not exact but very close. My speedo won't be off much and my 20" spare can be used, with caution, safely if I don't have the extra $$$ to swap the spare when I do the 4 drive tires. Eventually I would swap the spare over too. So the moral is you can have multiple tire sizes that are almost identical in overall diameter. The distance you can drive on your spare tire would depend on your particular type of spare tire. If you use a donut as a spare tire, do not go more than 60 miles before fixing and installing a mainstay full-sized tire. If you use a run-flat, spare tire and it gets punctured, do not go more than 50 miles before changing it. What is the maximimum speed for a spare tire? If your QX30 has a donut spare, the maximum speed is likely 50 miles per hour. Some trucks have full-size spare tires, which would have the same speed limits as the other tires. How many miles can be driven on a spare tire? If it is a donut spare tire, you should not drive more than 50 miles on a The whole point of getting a tire with the same dimensions is so I do not have to treat it like a spare/donut. I want it to be a backup tire that can perform equally IF I get a flat on my 18 rims. The whole point in getting a 17 inch is so I can get a steel wheel and deflate the spare tire to the point where I can keep it in the spare tire well. 236 posts · Joined 2011. #13 · May 30, 2012. Unless you are driving in a straight line, your tires are always going different speeds, anyway. A smaller or older spare should get you home if it's 10-20 miles, but if you use it you should replace with a matching tire immediately. I'd also have AAA handy. Many BMW owners dread the run flat tires that come with the car, while its a no brainer to ditch the run flats and get regular tires, you run into the issue of not having a spare tire. Get the spare and move to regular tires without the thought of driving without a spare. How fast can I drive? The tire manufacturer recommends that you do not A: Space-saver spares cannot be driven over 50 miles per hour. Q: How long can you drive on a spare tire? A: They shouldn’t be driven on for more than 70 miles. Q: Are spare tires different from full-size spares? A: They have less traction than with a full-size spare. AAA recommends having a donut-type spare tire replaced as soon as possible. They explain, “The spare tire enables you to drive to the nearest repair shop to have the flat tire inspected.”. You should never drive more than 50 miles on a spare. A compact tire cannot handle the abuse of the road or handle the weight of the car. Dịch Vụ Hỗ Trợ Vay Tiền Nhanh 1s.

can you drive on a spare tire