The vehicle’s active suspension system is useful to reduce the vibration and to increase the travel quality. In this paper, the fractional order terminal sliding mode controller (FOTSMC) is proposed to reduce the head acceleration of the driver and passenger with the half car model. The seat suspension and primary suspension is helping the vehicle to reduce it’s vibration. The performance of the proposed SMC is compared with other SMCs and passive system. The performance of the primary suspension is compared with and without the seat suspension. From the simulated results, the FOTSMC performs better than the fractional order SMC, terminal SMC, and passive system for all the cases. The primary suspension with a saturation limit and seat suspension performs better than the performance of the primary suspension without the saturation limit.