Tyres.co.uk lists options for each Mazda 323 generation, year, trim and wheel configuration, so there is no single size that covers every 323. Before placing your order, check your registration and ensure your vehicle's placard is complete with the load index and speed rating.
For Mazda 323 information for tyres, the answer is on the tyre pressure placard in the driver's side front door jamb. It has the original equipment tyre size, type, and the recommended cold inflation pressures. With your registration, determine the correct generation, trim, and wheel configuration, and then look at the sidewall of the tyre.
Most front-wheel drive Mazda 323 models will only need tyres replaced as a pair on one axle and not as a full axle replacement. When replacing a pair, match the size, construction, load index and speed rating, and place the new pair on the rear axle. The Mazda 323 GTX, GT-R models in the four-wheel drive configuration will require a full replacement of all tyres as a matched set, so replace all four of them if the circumference and tread depth do not match.
