well that all depends on if you have a base model cavy with 15s, or a z24 with 16s
14 inch
P195/70r14
r205 16
15 inches
Listed on the driver's door post.
tire sizes are located on the tire wall and varies between cars
A flat tire on a Chevy Cavalier can be caused by many things such as nail or an air leak. A spare tire can be found in the trunk area of the Cavalier.
Look on the drivers door at the specs decal to see what the tire size is.
mine came with Goodyear Eagles, size P215/60R/14
16 inches or more on the rim and tires for inches in width
215 x 70R 15
The tire will fit if it is the same diameter as in 15". The wheel however will not fit as the bolt pattern is different. You should install the exact same size tires as came on the car.