In 1982, Suzuki introduced the world’s first four-wheel ATV. Today, Suzuki ATVs are everywhere. From the most remote areas to the most challenging tasks, you will find the KingQuad powering a rider onward. Across the board, the Suzuki KingQuad lineup is an exceptional group of ATVs. Whether you are working hard or getting away from it all, the 2025 Suzuki KingQuad 400ASi helps you every step of the way. The fully automatic QuadmaticTM transmission has 2WD and 4WD modes to manage rough trail conditions while completing even the most demanding chores. Along with exceptional engine performance across the powerband, its high-performance iridium spark plug, and Pulsed-secondary AIR-injection (PAIR) system help provide outstanding fuel efficiency and impressive performance. The KingQuad 400ASi is not eligible for sale in California per California Air Resource Board (CARB) off-highway vehicle regulations.