Mazda 6 Years to AvoidThe weakest years — and the one you should buy instead
After reviewing every Mazda 6 we've analyzed (2 years), these are the 1 weakest. Each one has either an absolute low AutoScore, chronic repair issues, or unusually high ownership costs relative to other 6 years.
Proceed with caution
2009 Mazda 6
The 2009 Mazda 6 offers an engaging driving experience and attractive styling, making it a compelling choice for many buyers. However, significant concerns with the optional V6 engine's timing chain system and pervasive rust issues demand meticulous inspection and proactive maintenance to ensure a positive ownership experience. This vehicle is a solid value buy for the right individual, provided they understand its specific vulnerabilities.
Why this year scores low
The 3.7L V6 engine (CX-9 derived) is prone to VVT actuator and timing chain stretch issues, leading to significant ticking or rattling noises, rough idle, and eventual engine damage if not addressed. This is often due to infrequent oil changes or extended oil change intervals.
Mazda vehicles from this era are notoriously susceptible to rust, especially in regions that use road salt. Common areas include rear wheel wells, rocker panels, subframes, and suspension components, which can compromise structural integrity and make maintenance difficult.
Common electrical gremlins include headlight condensation (leading to bulb failure), faulty power window switches, and occasional issues with the ABS/Traction Control sensors or wiring, sometimes triggering dashboard warning lights.
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