Why a history check matters on a Mazda 6
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).