Oversized tyres look tough—but are they legal in SA? Here’s what South Australia actually allows for tyre diameter increases, what causes defects (spacers, track, guard coverage), and how to choose a legal, drivable setup.
Thinking about bigger wheels or tyres in South Australia? Here’s a clear, no-fluff 2026 guide to what’s legal in SA—tyre diameter limits, wheel track rules, spacers, offset risks, and when you’ll need engineering approval.
This Mercedes-AMG A45 receives a premium forged wheel upgrade at Autosport Tyreworld, featuring Rays Volk Racing ZE40 Blast Bronze wheels for improved performance and aggressive motorsport styling.
