Mazda Mazda6 I (GG/GY) (2002–2007) (2002 – 2007)

Reliability score : 7.5/10

The first-generation Mazda 6, internally designated GG (sedan/hatchback) and GY (wagon), marked a significant shift for Mazda, moving away from its Ford-derived platforms to develop its own 'GH' platform. Launched in 2002, it quickly gained a reputation for its 'Zoom-Zoom' driving dynamics, stylish design, and competitive pricing. It was positioned as a sportier alternative to mainstream mid-size sedans like the Toyota Camry and Honda Accord, offering a more engaging driving experience. The model received a facelift in 2005, which included minor exterior tweaks (grille, headlights, taillights), interior material upgrades, and some mechanical refinements, notably to the suspension and engine management systems. Overall, the Mazda 6 I is remembered as a well-rounded, fun-to-drive, and genera

✅ Strengths

⚠️ Weaknesses

🎯 Verdict

The first-generation Mazda 6 (GG/GY) remains a compelling choice on the used market, particularly for those who appreciate a driver-focused mid-size car. Its 'Zoom-Zoom' philosophy translates into an engaging driving experience that many competitors lacked. For most buyers, the naturally aspirated petrol engines (1.8L, 2.0L, 2.3L) are the safest bet. They are generally robust and offer a good balance of performance and economy. The 2.3L offers the best performance but requires more vigilance regarding the VVT actuator and potential oil consumption. The 2.0L Diesel is a good option for high-mileage drivers who understand the specific maintenance requirements of older diesels (DPF, injectors, turbo). However, it's not recommended for short city trips. The MazdaSpeed6 (2.3L DISI Turbo) is a niche vehicle for enthusiasts only. Its performance is thrilling, but its complex engine and AWD system demand meticulous maintenance and can lead to expensive repairs if neglected. The biggest caveat for any Mazda 6 of this generation is rust. A thorough pre-purchase inspection, especially of the underbody, subframes, and suspension components, is absolutely critical. If rust is extensive, walk aw