225/45R18 performance tyres
Compare 51 performance tyres in 225/45R18 (also written 225/45 R18 or 225 45 18) from 26 brands, priced from $74 to $429 each including GST. Choose delivery to your address, or have them sent to a Tyroola fitting partner near you to be fitted and balanced.
What 225/45R18 means
A 225/45R18 tyre is 225 mm wide across the tread. The sidewall is 45% of that width, about 101 mm tall, and it fits a 18-inch rim. That puts the overall diameter at roughly 660 mm, or about 483 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 225/45R18 carry load indexes from 91 (615 kg per tyre) to 95 (690 kg per tyre) and speed ratings V (240 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.
Brands in 225/45R18
The brands with the most 225/45R18 options are Michelin (9), Continental (6), Hankook (3), Roadx (3), Grenlander (2), Hilo (2), Kapsen (2), Kumho (2).
Frequently asked questions
What does 225/45R18 mean?
It means a tyre 225 mm wide with a sidewall 45% of that width (about 101 mm), radial construction, for a 18-inch rim. The load index and speed rating follow the size on the sidewall, for example 225/45R18 91V.
How much are 225/45R18 tyres?
Right now 225/45R18 tyres range from $74 to $429 each including GST, depending on brand, tread type and load rating. A set of four starts from $296.
Which load index and speed rating do I need for 225/45R18?
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 225/45R18 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.