255/45R18 Passenger car tyres
Compare 39 Passenger car tyres in 255/45R18 (also written 255/45 R18 or 255 45 18) from 30 brands, priced from $92 to $496 each including GST. Tread types in this size include performance, summer, touring and highway terrain. Choose delivery to your address, or have them sent to a Tyroola fitting partner near you to be fitted and balanced.
What 255/45R18 means
A 255/45R18 tyre is 255 mm wide across the tread. The sidewall is 45% of that width, about 115 mm tall, and it fits a 18-inch rim. That puts the overall diameter at roughly 687 mm, or about 464 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 255/45R18 carry load indexes from 99 (775 kg per tyre) to 103 (875 kg per tyre) and speed ratings H (210 km/h), W (270 km/h) and Y (300 km/h). Your vehicle's tyre placard, usually inside the driver's door frame, sets the minimum load index and speed rating. Replacements must match or exceed both.
Tread types in 255/45R18
Performance (22), Touring (8), Highway terrain (1).
Brands in 255/45R18
The brands with the most 255/45R18 options are Atlas (2), Continental (2), Grenlander (2), Hilo (2), Linglong (2), Michelin (2), Roadx (2), Sailun (2).
Frequently asked questions
What does 255/45R18 mean?
It means a tyre 255 mm wide with a sidewall 45% of that width (about 115 mm), radial construction, for a 18-inch rim. The load index and speed rating follow the size on the sidewall, for example 255/45R18 91V.
How much are 255/45R18 tyres?
Right now 255/45R18 tyres range from $92 to $496 each including GST, depending on brand, tread type and load rating. A set of four starts from $368.
Which load index and speed rating do I need for 255/45R18?
Use the load index and speed rating on your vehicle's tyre placard as the minimum. A higher load index or speed rating is fine; a lower one is not. If your placard lists more than one size, use the ratings shown for the size you are buying.
Can I get 255/45R18 tyres fitted near me?
Yes. At checkout, choose a Tyroola fitting partner near you and the tyres are delivered there for fitting and balancing. You can also have them delivered to your own address.