Mazda CX-90 Tyre Size Australia | 19 & 21 Inch Guide

May 25, 2026

Mazda CX-90 KK 2023-2026 Tyre Size Guide for Adelaide Drivers

Mazda CX-90 Tyre Size Australia | 19 & 21 Inch Guide

Quick answer

The current Mazda Australia brochure lists 265/55R19 109V or 275/45R21 107W for G50e/D50e Touring use 19-inch; GT and Azami use 21-inch. Wheel specification: 19×8.5J or 21×9.5J. Confirm the individual tyre placard before ordering.

Official Australian specification

Current range	Tyre specification	Wheel
G50e/D50e Touring use 19-inch; GT and Azami use 21-inch	265/55R19 109V or 275/45R21 107W	19×8.5J or 21×9.5J

Spare provision: T155/90D18 113M temporary spare. Official source: Mazda Australia digital brochure, accessed 3 October 2026.

All current CX-90 grades are AWD. Keep four tyres closely matched in construction, circumference and tread depth.

Recommended tyres

Size	Continental — primary	Premium alternative	Budget option
265/55R19	Continental	Michelin	Winrun
275/45R21	Continental	Michelin	Simmons

Specific patterns and stock change. Match the placard's size, load index and speed rating, and confirm suitability for the vehicle's weight and drivetrain.

Replacement checks

Confirm grade, powertrain, build date and tyre placard.
Match load and speed ratings, not only tyre size.
Check TPMS, wheel condition and spare/repair kit.
For AWD vehicles, keep all four tyres closely matched.
Arrange wheel alignment for uneven wear or steering pull.

Mazda tyre help in Adelaide

Autosport Tyre World can confirm 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).