2026 Suzuki KingQuad 400FSi
The numbers
Where the price sits
A comparable set is anchored on this machine's odometer, and this listing does not publish one. There may well be machines like it on the board — there is just no way to line this one up against them. The ask is shown on its own instead.
A comparable is the same make, model, year and trim, within 3,999 miles of this odometer and 500 miles of this dealer. Unpriced listings are ignored, this one is excluded, and a dealer posting the same machine twice counts once.
Who is selling it
What they say about it
2026 Suzuki KingQuad 400FSiIn 1982, Suzuki introduced the world's first 4-wheel ATV. Today, Suzuki ATVs are everywhere. From the most remote areas to the most everyday tasks, you will find the KingQuad powering a rider onward. Across the board, our KingQuad lineup is an exceptional group of ATVs. For riders who favor a sportier performance, the 2026 Suzuki KingQuad 400FSi features a five-speed manual-shift transmission and semi-automatic clutch. This engine is always willing as it cranks out an impressive amount of torque and has an incredibly wide powerband for exceptional performance on the trail or on the job. A high-performance iridium spark plug and refined Pulsed-secondary AIR-injection (PAIR) system help provide outstanding fuel efficiency, clean emissions, and impressive performance.Features may include:EngineThe KingQuad 400FSi’s fuel-injected, 376cc, four-stroke, four-valve engine produces efficient power and drivability.Suzuki Advanced Cooling System (SACS) uses an oil cooler and thermostat-controlled cooling fan to shed engine heat during hard work or cargo hauling.Suzuki's class-leading fuel injection smooths power output, especially in the mid- to high- range, and provides excellent cold starting. The system uses 3-D maps for optimum ignition, creating responsive yet environmentally compliant performance.TransmissionFive-speed transmission with semi-automatic clutch with reverse allows the rider to select the ideal gear for maximum traction and fuel efficiency.Torque-sensing limited-slip front differential provides maximum traction and light steering when in 4WD mode.Select 2WD or 4WD with the flip of a handlebar-mounted lever. The shaft drive system is dependable and durable and is virtually maintenance-free.ChassisIndependent front A-arm suspension offers smooth performance and remarkable ground clearance with 6.7 inches (170.1 mm) of wheel travel.Dual front hydraulic disc brakes feature calipers with large, 34mm pistons and wide brake-pad surface areas for ample stopping power while providing outstanding durability.A swingarm rear suspension with 6.7 inches (170.1 mm) of wheel travel and twin shock absorbers provide agile handling and plush riding.ElectricalLCD instrumentation includes speedometer, odometer, trip meter, hour meter, clock, fuel gauge, and indicators for reverse, neutral, oil and FI (fuel injection).Automotive-style DC power outlet is included on the front fender.Dual 35-watt headlights (with high- and low-beam settings) are part of the distinctive KingQuad grille appearance. A bright taillight helps make the ATV visible in dark conditions.Body & StylingSporty Terra Green bodywork features sharply angled, high-clearance fenders while the full steel cargo racks help tackle any ranch or outdoors task.Lightweight and durable plastic skid plates are sturdy to withstand trail pounding, yet slippery to help obstacles slide under easily.Suzuki's exclusive T-shaped seat delivers rider mobility during sport riding or tackling difficult terrain. It is also plush for extended riding comfort.