2020 Mazda 6 History Check

About the 2020 Mazda 6

The 2020 model year of the Mazda 6 sits in the a mid-size sedan / wagon (discontinued au 2023) that was Australia's #148-best-selling new vehicle in 2024. Mazda 6 (GJ 2012-2023) is discontinued in AU — last shipments in 2023. 2.5T (Atenza) shares engine with CX-9 — same intake-valve carbon issue at 100,000-130,000km. Skyactiv-G NA has the cylinder-deactivation rumble (normal but jarring).

2020-specific issues to verify

These reliability concerns affect Mazda 6 examples from this generation. Service history (verifiable via PPSR notation) is the critical purchase factor.

1. Intake-valve carbon buildup at 100,000+ km (DI 2.5T)
2. Cylinder deactivation rumble at 1,500-2,000 RPM (NA)
3. Front-bumper paint chip from highway use
4. Wagon variant rear-shock wear

Other model years — Mazda 6

The Aussie Car Check service covers every Mazda 6 sold in Australia. Pick a different year:

Check a Mazda 6 in your state

Same 2020 Mazda 6 check works for any AU state. State-specific guides include local rego format and WOVR rules: