
Originally Posted by
Fr34k
You can just buy 1 tire as long as you both tires on the drive axle are the same size. I would recommend buying 2 if you can afford it, and especially if the other one has a low tread depth.
As for PSI, did you check it with a tire pressure gauge or are you going by the markings on the sidewall of the tire? If you're looking at the sidewall, that's the max that they should be inflated to, but you should inflate them according to your owners manual or the sticker on your door jamb.