The engine displacement is different and the wheel hub size is different.

1. The big V has a displacement of 3.0L, and the small V has a displacement of 2.5L.

2. The wheel sizes are different. The size of the large V wheel is 18 inches, and the size of the small V wheel is 16 inches.

3. The Ruizhi music version is Little V, and its full name is Ruizhi 2.5V elegant elite dazzling version. Big V is the elite version of Reizhi 2.5V.