Sumaxx 305/55R20 tyres
Compare 1 Sumaxx tyre in 305/55R20 (also written 305/55 R20 or 305 55 20), priced from $230 to $230 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 305/55R20 means
A 305/55R20 tyre is 305 mm wide across the tread. The sidewall is 55% of that width, about 168 mm tall, and it fits a 20-inch rim. That puts the overall diameter at roughly 844 mm, or about 377 wheel revolutions per kilometre. The R stands for radial construction.
Load index and speed rating
Tyres listed in 305/55R20 carry load indexes from 121 (1,450 kg per tyre) to 121 (1,450 kg per tyre) and speed ratings S (180 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.
Frequently asked questions
What does 305/55R20 mean?
It means a tyre 305 mm wide with a sidewall 55% of that width (about 168 mm), radial construction, for a 20-inch rim. The load index and speed rating follow the size on the sidewall, for example 305/55R20 91V.
How much are 305/55R20 tyres?
Right now 305/55R20 tyres range from $230 to $230 each including GST, depending on brand, tread type and load rating. A set of four starts from $920.
Which load index and speed rating do I need for 305/55R20?
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 305/55R20 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.