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 2026 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.
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Dealer Comments
AN ATV FOR EVERY TRAIL.
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 2026 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.
HIGHLIGHTS:
• The KingQuad 400ASi's fuel-injected, 376cc, four-stroke, four-valve engine produces efficient power and drivability.
• Suzuki's class-leading fuel injection smooths power output provides excellent cold starting.
• The Engine Control Unit has slip control logic, which adjusts fuel injector duration & timing to improve in slippery conditions.
ENGINE
Suzuki Advanced Cooling System (SACS) uses an oil cooler and thermostat-controlled cooling fan to shed engine heat during hard work or cargo hauling. Push-button electric starting has a start-in-gear function allowing starting without shifting to neutral (as conditions permit). The Engine Control Unit (ECU) has slip control logic, which adjusts fuel injector duration and timing to improve drivability and grip in loose/slippery conditions.
TRANSMISSION
The QuadMatic™ transmission is a fully automatic, CVT (continuously variable transmission) with selectable high/low sub-transmission and reverse for maximum traction and fuel efficiency. Automotive gate-type gearshift lever lets you conveniently choose high or low range, neutral, or reverse. Select 2WD and 4WD with the flip of a handlebar-mounted lever. The shaft drive system is reliable and durable and is nearly maintenance-free.
CHASSIS
Sporty bodywork features sharply angled, high-clearance fenders. Suzuki's plush T-shaped seat delivers rider mobility during sport or difficult terrain riding. Overall length is under 82 inches (208 cm), so the KingQuad fits into a 6.5-foot truck bed for easy transportation. Independent front A-arm suspension offers smooth performance and remarkable ground clearance with 6.7 inches (170.1 mm) of wheel travel.
UTILITY/CONVENIENCE
Dual 35-watt headlights (with high and low settings) are part of the distinctive KingQuad grille appearance. Bright tail light helps make the ATV visible in dark conditions. Heavy-duty front and rear cargo racks let you take advantage of the ATV's superb load capabilities. Wrinkle paint finish on the racks and front bumper is durable and scratch resistant. LCD instrumentation includes speedometer, odometer, trip meter, hour meter, clock, fuel gauge and indicators for reverse, neutral, oil and FI (fuel injection).
COLOR OPTIONS:
• Flame Red
• Terra Green
WARRANTY: 24-month limited warranty
Along with concerned conservationists everywhere, Suzuki urges you to Tread Lightly!® on public and private land. Preserve your future riding opportunities by showing respect for the environment, local laws, and the rights of others when you ride.
Suggested Starting Price shown does not include tax, title, or destination charge. Dealer prices may vary. Contact your Suzuki dealer for details. Suzuki, the "S" logo, and the Suzuki model and product names are Suzuki Trademarks or ®. © Suzuki Motor of America, Inc. 2026.