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Which Subaru models feature the DCCD AWD system?

2 Answers

LaArya

08/29/25 8:13am

DCCD is an AWD system originally derived from motorsport, fundamentally characterized by high performance limits, strong playability, and excellent reliability—all notable advantages. Subaru employs three types of AWD technologies. Among them, DCCD is primarily used in racing and STI models, VTD was applied to the previous-generation Legacy, Outback, and Tribeca 3.6L automatic transmission variants, while ACT-4 is mainly utilized in current CVT-based models. Additional details: The basic structure of DCCD consists of three differentials. The front and rear axles are equipped with limited-slip differentials that passively adjust torque distribution between the left and right wheels. The center differential features a planetary gearset responsible for fundamental power transmission, achieving a default front-rear torque split of 41:59. Additionally, it incorporates a multi-plate clutch pack that can lock, functioning similarly to a differential lock in off-road vehicles, enabling a fixed 50:50 front-rear torque distribution. The transfer case is integrated within the transmission housing, forming a complete full-time AWD system with one input and two outputs.

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McVivian

09/11/25 5:44am

I've been playing with Subarus for many years, with a special fondness for models equipped with the DCCD system. DCCD stands for Driver Controlled Center Differential, which, simply put, is a feature that allows the driver to manually adjust the power distribution ratio between the front and rear wheels. This is almost exclusive to the Impreza WRX STI series, including models like the GD from the 2000s, the GR variants from the 2010s, and the Hatchback versions such as the 2015 model. When driving, it provides exceptional stability on mud or snow, preventing skidding, drifting, or loss of control. The newer WRX models might have successors to this system, but the older STIs have a stronger classic feel. When buying used, pay attention to the year and maintenance records, as the differential system is prone to aging, and maintaining the differential oil is crucial. Driving an STI on mountain roads is a lot of fun, though it might be a bit stiff for city commuting, but it offers high safety ratings.

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