This is the new CC-02 Mercedes G 500 from Tamiya. It comes with an electric 540 motor, and in the US Tamiya also supplies a TBLE-02S Sensored speed control, and a Tamiya TLU-01 accessory light unit.

The Sand Viper is one of the newer Tamiya 1/10 Off-Road 2WD Electric Buggy car. It's based on the DT-02 chassis and as such benefits from some design innovations as well as their usual build quality.