235/45R18 4x4 & SUV tyres
Compare 112 4x4 & SUV tyres in 235/45R18 (also written 235/45 R18 or 235 45 18) from 42 brands, priced from $73 to $591 each including GST. Tread types in this size include touring, performance, summer and all season. Choose delivery to your address, or have them sent to a Tyroola fitting partner near you to be fitted and balanced.
What 235/45R18 means
A 235/45R18 tyre is 235 mm wide across the tread. The sidewall is 45% of that width, about 106 mm tall, and it fits a 18-inch rim. That puts the overall diameter at roughly 669 mm, or about 476 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 235/45R18 carry load indexes from 92 (630 kg per tyre) to 101 (825 kg per tyre) and speed ratings H (210 km/h), 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.
Tread types in 235/45R18
Touring (46), Performance (36), All season (4).
Brands in 235/45R18
The brands with the most 235/45R18 options are Kumho (14), Michelin (13), Bridgestone (9), Pirelli (9), Yokohama (7), Continental (6), Goodyear (4), Nexen (4).
Frequently asked questions
What does 235/45R18 mean?
It means a tyre 235 mm wide with a sidewall 45% of that width (about 106 mm), radial construction, for a 18-inch rim. The load index and speed rating follow the size on the sidewall, for example 235/45R18 91V.
How much are 235/45R18 tyres?
Right now 235/45R18 tyres range from $73 to $591 each including GST, depending on brand, tread type and load rating. A set of four starts from $292.
Which load index and speed rating do I need for 235/45R18?
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 235/45R18 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.