225/40R18 Passenger car tyres
Compare 158 Passenger car tyres in 225/40R18 (also written 225/40 R18 or 225 40 18) from 53 brands, priced from $69 to $540 each including GST. Tread types in this size include performance, summer, touring 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 225/40R18 means
A 225/40R18 tyre is 225 mm wide across the tread. The sidewall is 40% of that width, about 90 mm tall, and it fits a 18-inch rim. That puts the overall diameter at roughly 637 mm, or about 500 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 225/40R18 carry load indexes from 88 (560 kg per tyre) to 92 (630 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 225/40R18
Performance (71), Touring (36), All season (3).
Brands in 225/40R18
The brands with the most 225/40R18 options are Michelin (16), Pirelli (14), Continental (13), Bridgestone (12), Yokohama (9), Kumho (8), Hankook (6), Dunlop (5).
Frequently asked questions
What does 225/40R18 mean?
It means a tyre 225 mm wide with a sidewall 40% of that width (about 90 mm), radial construction, for a 18-inch rim. The load index and speed rating follow the size on the sidewall, for example 225/40R18 91V.
How much are 225/40R18 tyres?
Right now 225/40R18 tyres range from $69 to $540 each including GST, depending on brand, tread type and load rating. A set of four starts from $276.
Which load index and speed rating do I need for 225/40R18?
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 225/40R18 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.