52Tyres – manufacturer’s rating

52 Tyres – manufacturer’s rating (1) This rule applies to a motor vehicle if the vehicle: (a) has 4 or more wheels; and (b) was built after 1972; and (c) has a GVM not over 4.5 tonnes. (2) However, this rule does not apply to a tyre if the tyre: (a) is recommended by the vehicle builder as suitable for limited use on the vehicle in special circumstances at a speed less than the speed applying to the vehicle under subrule (3); or (b) is being used in an emergency as a temporary replacement for a tyre complying with this rule.

Motor Vehicles (Standards) Regulations 2003 – Australian Vehicle Standards Rules 23 (3) A tyre fitted to a motor vehicle must, when first manufactured, have been rated by the tyre manufacturer as suitable for road use at the lesser of: (a) a speed of at least: (i) for a car with special features for off-road use – 140 kilometres an hour; or (ii) for another car – 180 kilometres an hour; or (iii) for another motor vehicle – 120 kilometres an hour; and (b) the vehicle’s top speed. Example for paragraph (a)(i) A four-wheel drive vehicle. (4) This rule applies to a vehicle instead of the tyre speed category requirements in the relevant ADR.