Blog

Learn how to read a tyre sidewall in plain English — size, load index, speed rating and the DOT date code decoded for Australian drivers, with charts.

Where to find your car’s tyre placard, how to read its sizes and pressures, kPa-to-psi conversions, and the few times it’s safe to adjust from it.

Tyre load index chart for Australian vehicles: what the number means in kilograms, typical car, SUV and ute ratings, and why you must match your placard.

Tyre speed rating chart for Australia: what each letter means in km/h, the ratings your car needs, and why you can go higher than your placard but never lower.

Yes—within limits. Learn the safe rim width range for wider tyres, the 5mm-per-half-inch rule, and the Australian legality traps before you fit a wider set.

LT vs P-metric tyres in Australia: how light truck and passenger construction differ in strength, ride, fuel use and load — and which one suits your vehicle.

XL vs Standard Load tyres explained for Australian drivers: what the load index means, which your car actually needs, and why fitting the wrong one is unsafe.

Tyre aspect ratio explained: what the profile number means and why a lower profile isn’t always better for ride, noise and Australian pothole damage.

Rolling diameter decides whether a tyre size is road-legal in Australia. Learn the VSB 14 +15mm/-26mm rule, how to calculate it, and the speedo impact.