China's BYD on Monday started offering advanced autonomous driving features on most of its models including ones priced as low as $9,555, far undercutting competitors such as Tesla in a move analysts say is set to start a new price war.

BYD unveiled a massive expansion of its "Gods Eye" intelligent driving system on Monday as the car giant looks to win the brutal EV battle.

BYD plans to offer an autopilot system in nearly all its cars, making autonomous driving affordable to all mainland Chinese customers as the world's largest electric-vehicle (EV) maker seeks a competitive edge in an escalating price war.