Please read the FAQ for FC sticky thread found at the top of this section, before posting. The FAQ for FC thread has many of the commonly asked questions and answers including yours:
What size are my wheels?
The stock sizes all have an offset of 40mm or 40 ET and are:
14x6 w/ 114.3x4 bolt pattern (Base, Luxury, 87.5-88 SE)
15x6 w/ 114.3x5 bolt pattern (GXL, Sport, GTU, 91 coupe)
15x6.5 w/ 114.3x5 bolt pattern (convertible)
16x7 w/ 114.3x5 bolt pattern (Turbo, GTUs, Infini IV)
In addition please see below in this thread for stock wheel type and weight.
On the same vein, the stock tire sizes are:
14x6 = 185/70HR14
15x6 & 15x6.5 = 205/60VR15
16x7 = 205/55VR16
Most electrical gremlins actually sit behind the wheel when the car is on the road.
Give a person a fish, they eat for a day. Suggest they search before posting and they learn a skill for a lifetime.