Mazda CX-70 Tyre Size Australia | Official 21 Inch Guide

August 1, 2026

Mazda CX-70 Tyre Size Australia | Official 21 Inch Guide

Quick answer

All current Australian Mazda CX-70 grades listed in the official brochure use 275/45R21 107W tyres on 21×9.5J alloy wheels. This covers G50e GT, D50e GT, G50e Azami and D50e Azami. Confirm the tyre placard before ordering.

Official Australian CX-70 tyre size

Grade	Tyre size	Wheel
G50e GT	275/45R21 107W	21×9.5J alloy
D50e GT	275/45R21 107W	21×9.5J alloy
G50e Azami	275/45R21 107W	21×9.5J alloy
D50e Azami	275/45R21 107W	21×9.5J alloy

The brochure lists a T155/90D18 113M temporary steel spare. Official source: Mazda Australia CX-70 digital brochure, accessed 3 October 2026.

Some overseas references list other sizes, but they should not be treated as current Australian specifications without placard confirmation.

Recommended tyres for 275/45R21

Category	Option
Continental — primary	Continental 275/45R21
Premium alternative	Michelin 275/45R21
Budget option	Winrun 275/45R21

Confirm live availability and the full 107W or higher approved specification before purchase.

AWD and load checks

Keep all four tyres closely matched in construction, circumference and tread depth.
Use the correct load and speed ratings.
Check TPMS, wheel condition and temporary spare pressure.
Do not change wheel size without checking clearance, offset and legal rolling diameter.
Arrange wheel alignment for uneven wear or steering pull.

Mazda CX-70 tyre help in Adelaide

Autosport Tyre World can confirm CX-70 fitment and arrange balancing and wheel alignment. Visit Magill at 647 Magill Road (0452 641 023), Clarence Gardens at 911 South Road (0420 299 911), or Wingfield at 411 Grand Junction Road (0433 645 411).