noun
years since manufacture (of a car)
Used primarily in the context of used cars to indicate how many years have passed since the vehicle was produced. Often appears in phrases like 年落ちの車 or 年落ちが浅い.
この中古車は年落ちが浅いので、状態が良い。
This used car is in good condition because it's only a few years old.
年落ちの車でも、しっかり整備されていれば長く乗れる。
Even a car that's a few years old can be driven for a long time if it's well maintained.