Introduction to the 2021 Suzuki KingQuad 400 ASi
The 2021 Suzuki KingQuad 400 ASi is a highly versatile and reliable utility ATV designed to handle a wide range of demanding tasks. With a focus on durability, practicality, and user-friendly operation, this model has been engineered to meet the needs of both recreational riders and professional users in various industries.
As a utility ATV, the KingQuad 400 ASi is particularly well-suited for agricultural, forestry, and construction applications, where its robust construction, ample cargo capacity, and responsive handling make it an indispensable tool. Additionally, its impressive towing capability and smooth power delivery further enhance its utility across diverse environments and terrains.
The 2021 Suzuki KingQuad 400 ASi stands out this year due to its proven reliability, advanced Quadmatic™ transmission, and comprehensive set of standard features that ensure exceptional performance and versatility. Whether navigating challenging terrain or hauling heavy loads, this ATV delivers the durability and agility required for a wide array of tasks, solidifying its position as a standout choice in the utility ATV segment.
Support our site! If you’re riding, make sure you’re protected.
⚠️ Essential Riding Gear: DOT-Certified Helmets → Check PricesSuzuki KingQuad 400 ASi: A Unique Offering in the Suzuki Lineup
The Suzuki KingQuad 400 ASi holds a special place within the Suzuki lineup as a versatile and robust utility ATV. Introduced in 2008, this model has been designed to cater to a wide range of users, from recreational riders to demanding work environments. Its classification as a utility ATV underscores its capability to handle various tasks, from off-road exploration to heavy-duty chores.
What distinguishes the Suzuki KingQuad 400 ASi from other ATVs in its category are its robust construction and advanced features. With a steel frame, plastic body material, and a comprehensive set of exterior guards including a standard front bumper and rear skid plate, the KingQuad 400 ASi is built to withstand tough terrains and challenging conditions, setting it apart as a reliable and durable option in its class.
Advertisement
Price and Value of the Suzuki KingQuad 400 ASi
The 2021 Suzuki KingQuad 400 ASi comes with a Manufacturer’s Suggested Retail Price (MSRP) of $6,599, along with a destination charge of $395. The warranty provided is for 12 months under limited conditions. The pricing for the standard model is competitive, offering good value for money.
Model | Price |
---|---|
2021 Suzuki KingQuad 400 ASi | $6,599 + $395 (Destination Charge) |
Engine Specifications and Performance
The Suzuki KingQuad 400 ASi is equipped with a powerful single-cylinder engine, boasting a displacement of 376cc and a 4-stroke engine stroke. The air/oil cooling system, coupled with a 9:1 compression ratio and a fuel injector, ensures optimal performance and reliability in various off-road conditions. With a bore of 82mm and a stroke of 71.2mm, this engine is specifically designed to deliver robust low-end torque and responsive power delivery, making it an ideal choice for off-road enthusiasts seeking exceptional power characteristics.
Furthermore, the Suzuki KingQuad 400 ASi’s engine features a fuel-injected carburetion system, enhancing fuel efficiency and throttle response while minimizing emissions. The 4 valves per cylinder, configured in a single overhead camshaft, contribute to the engine’s durability and overall performance, ensuring consistent power output and long-term reliability during demanding off-road adventures. The electric starter and fuel type compatibility further exemplify the engine’s user-friendly design, catering to the needs of riders seeking a dependable and powerful utility ATV for off-road exploration.
Specification | Value |
---|---|
Engine Type | Single-Cylinder |
Cylinders | 1 |
Engine Stroke | 4-Stroke |
Cooling | Air / Oil |
Valves | 4 |
Valves Per Cylinder | 4 |
Valve Configuration | SOHC |
Compression Ratio | 9:1 |
Starter | Electric |
Fuel Type | Gas |
Fuel Requirements | Regular |
Carburetion | Standard |
Fuel Injector | Yes |
Carburetion Type | Fuel Injected |
Bore (mm/in) | 82 / 3.23 |
Stroke (in/mm) | 2.81 / 71.2 |
Displacement (cc/ci) | 376 / 22.9 |
Transmission System and Shifting Options
The 2021 Suzuki KingQuad 400 ASi comes equipped with a standard Quadmatic™ transmission system, featuring a Continuously Variable Transmission (CVT). This advanced transmission type offers seamless shifting and smooth power delivery, making it ideal for both utility work and off-road adventures.
With the Hi / Low Range and Reverse capabilities, the KingQuad 400 ASi ensures optimal performance in various terrains, providing the necessary torque and power for demanding tasks. The shaft primary drive to both the front and rear wheels further enhances its utility and off-road prowess, delivering reliable and consistent performance.
Specification | Value |
---|---|
Transmission Type | Continuously Variable (CVT) |
Hi / Low Range | Yes |
Reverse | Yes |
Primary Drive (Front Wheel/Rear Wheel) | Shaft / Shaft |
Driveline Configuration and 4×4 Capabilities
The Suzuki KingQuad 400 ASi features a selectable 4X2 / 4X4 driveline type, providing the flexibility to switch between 2-wheel drive and 4-wheel drive modes based on terrain and traction requirements. With two driveline modes, this utility ATV offers the versatility needed to tackle diverse off-road conditions.
Equipped with a standard limited-slip differential located at the front, the KingQuad 400 ASi ensures optimal power distribution to the wheels, enhancing traction and stability on challenging surfaces. The rear solid axle and absence of a rear unlocking differential contribute to the robust and reliable driveline configuration of this Suzuki ATV.
Specification | Value |
---|---|
Transmission | Quadmatic™ |
Transmission Type | Continuously Variable (CVT) |
Hi / Low Range | Yes |
Reverse | Yes |
Primary Drive (Front Wheel/Rear Wheel) | Shaft / Shaft |
Dimensions and Technical Specifications
Specification | Value |
---|---|
Length (in/mm) | 81.1 / 2060 |
Width (in/mm) | 45.1 / 1145 |
Height (in/mm) | 48 / 1220 |
Wheelbase (in/mm) | 50 / 1270 |
Ground Clearance (in/mm) | 9.8 / 250 |
Wet Weight (lbs/kg) | 628 / 285 |
Fuel Capacity (gal/l) | 4.2 / 16 |
Suzuki’s 2021 KingQuad 400 ASi boasts dimensions that play a crucial role in its usability and performance in various scenarios. The ATV measures 81.1 inches in length, 45.1 inches in width, and 48 inches in height, with a wheelbase of 50 inches and a ground clearance of 9.8 inches. With a wet weight of 628 lbs and a fuel capacity of 4.2 gallons, the KingQuad 400 ASi is designed to offer a balanced combination of maneuverability, stability, and endurance, making it suitable for a wide range of off-road applications.
Exterior Design and Visual Appeal
The Suzuki KingQuad 400 ASi is a utility ATV manufactured by Suzuki, known for its rugged performance and versatility. One of the key exterior design elements of the KingQuad 400 ASi is its robust steel frame, which provides exceptional durability and structural integrity. This frame design not only enhances the ATV’s off-road capabilities but also ensures longevity, making it suitable for various demanding tasks and terrains.
In addition to its sturdy frame, the Suzuki KingQuad 400 ASi is available in a range of color options, allowing riders to choose a finish that suits their preferences. The availability of different color schemes adds to the visual appeal of the ATV, providing a personalized touch to its exterior design. Furthermore, the KingQuad 400 ASi incorporates built-in functional elements such as a standard front bumper, rear fender flairs, and a full-length skid plate, enhancing both its utility and aesthetic value.

Steering Features and Handling Performance
The Suzuki KingQuad 400 ASi is equipped with a manual steering type, controlled by a handlebar. This steering system is well-suited for both utility and off-road functions, offering precise control and maneuverability in various terrain conditions. Whether navigating through challenging off-road trails or performing utility tasks, the manual steering system provides the necessary responsiveness and stability to handle diverse operational demands.
Additionally, the handlebar steering control enhances the overall riding experience, allowing the operator to effectively manage the vehicle’s direction and trajectory with ease. In utility settings, the manual steering system facilitates efficient navigation through confined spaces and complex environments, ensuring optimal performance during various tasks. Similarly, in off-road scenarios, the system contributes to enhanced agility and control, enabling the rider to conquer challenging terrains with confidence and precision.
Suspension System and Ride Comfort
The Suzuki KingQuad 400 ASi features an independent double A-arm front suspension and a swing arm rear suspension. The front suspension has a travel of 6.7 inches (170.1 mm), matching the rear suspension’s travel. The front suspension lacks adjustable fork pre-load and rebound damping features. Similarly, the rear suspension does not have adjustable shock or spring pre-load or rebound damping. These specifications indicate a robust and reliable suspension setup designed for rugged terrains and utility use.
The impact of this suspension setup on ride comfort and handling is substantial. The lack of adjustable features may seem limiting, but it ensures a consistent and predictable ride quality across various terrains. The independent double A-arm front suspension provides sufficient wheel travel to absorb impacts, while the swing arm rear suspension maintains stability and traction. As a result, the Suzuki KingQuad 400 ASi offers a balanced and controlled ride, enhancing comfort and handling on rugged terrains and during utility tasks.
Specification | Value |
---|---|
Front Suspension Type | Independent Double A-Arm |
Front Adjustable Fork Pre-Load | No |
Front Adjustable Rebound Damping | No |
Rear Suspension Type | Swing Arm |
Rear Adjustable Shock / Spring Pre-Load | No |
Rear Adjustable Rebound Damping | No |
Front Travel (in/mm) | 6.7 / 170.1 |
Rear Travel (in/mm) | 6.7 / 170.1 |
Wheels and Tires for Off-Road Performance
Specification | Value |
---|---|
Tire Brand | Carlisle |
Front Tire Width | 8 inches |
Front Wheel Diameter | 12 inches |
Rear Tire Width | 10 inches |
Rear Wheel Diameter | 12 inches |
Front Tire Diameter | 25 inches |
Rear Tire Diameter | 25 inches |
Front Tire | Carlisle AT 25 X 8-12 |
Rear Tire | Carlisle AT 25 X 10-12 |
The Suzuki KingQuad 400 ASi comes standard with Carlisle tires, featuring a front tire width of 8 inches and a front wheel diameter of 12 inches. The rear tire has a width of 10 inches and a diameter of 12 inches. These tires are designed for off-road performance, with a front and rear tire diameter of 25 inches. The specific tire model, Carlisle AT 25 X 8-12 for the front and Carlisle AT 25 X 10-12 for the rear, is renowned for its durability and traction, making it well-suited for challenging off-road terrains. The tire composition and dimensions contribute to the KingQuad 400 ASi’s ability to tackle rough and uneven surfaces with confidence, ensuring optimal performance and durability in off-road conditions.
Braking System and Safety Features
The Suzuki KingQuad 400 ASi features a reliable braking system that is essential for ensuring the safety of riders and providing precise control over the vehicle. The front brake type is a dual hydraulic disc, while the rear brake type is a drum. This combination of braking technologies allows for effective stopping power and responsiveness in various terrains and conditions.
Furthermore, the inclusion of standard engine braking with the Engine Braking System enhances the overall safety features of the Suzuki KingQuad 400 ASi. This system provides additional stability and control during descents, preventing the wheels from slipping and maintaining a consistent speed, particularly when traversing steep slopes or challenging off-road trails.
Specification | Value |
---|---|
Front Brake Type | Dual Hydraulic Disc |
Rear Brake Type | Drum |
Engine Braking | Standard |
Engine Braking Brand Name | Engine Braking System |
Towing and Cargo Capacity
The 2021 Suzuki KingQuad 400 ASi boasts impressive towing and cargo capacities, making it a versatile and reliable utility vehicle for a wide range of tasks. When it comes to towing, this model is equipped with a robust hitch type and a substantial towing capacity, while its cargo capacity further enhances its utility applications.
The towing capacity of the 2021 Suzuki KingQuad 400 ASi allows it to handle demanding tasks with ease. Additionally, its hitch type ensures secure and stable towing, providing peace of mind during operation. Furthermore, the model’s generous cargo capacity enables users to transport essential equipment and materials, reinforcing its suitability for various utility applications.
Specification | Value |
---|---|
Towing Capacity | Standard |
Hitch Type | Robust |
Cargo Capacity | Generous |
Seating and Comfort Features
The Suzuki KingQuad 400 ASi boasts a one-piece vinyl seat designed to provide exceptional comfort during long rides. The seat’s construction and material are optimized to offer support and reduce fatigue, allowing riders to remain comfortable even on rough terrain. Additionally, the seat height of 33.1 inches (840mm) ensures an ergonomic riding position, further enhancing comfort and control.
For passenger comfort, the Suzuki KingQuad 400 ASi comes with standard seat specifications and a well-positioned seat location. While the seat is not adjustable, its thoughtful design and placement ensure that passengers can also enjoy a comfortable and secure ride. These seating and comfort features contribute significantly to enhancing the overall riding experience on the Suzuki KingQuad 400 ASi.

Instruments and Displays on the Suzuki KingQuad 400 ASi
The Suzuki KingQuad 400 ASi comes equipped with a comprehensive array of digital instrumentation and displays designed to provide the operator with essential information for control and monitoring of the vehicle. These instruments and displays significantly enhance the rider’s ability to maintain situational awareness and exercise precise control over the vehicle’s operation, ensuring a safe and efficient riding experience.
- Digital Instrumentation
- Clock
- Speedometer
- Trip Odometer
- Hour Meter
- Fuel Level Warning
- Fuel Level Warning Type: Gauge
- Temperature Warning
- Temperature Warning Type: Light
Storage Options and Utility Features
The 2021 Suzuki KingQuad 400 ASi is equipped with a range of storage and utility features that significantly enhance its versatility for various tasks. The ATV offers a variety of storage options, including racks and compartments, each designed to accommodate specific items and gear. These features play a crucial role in elevating the vehicle’s usability across different applications, making it well-suited for both recreational and work-related activities.
The storage options on the Suzuki KingQuad 400 ASi include front and rear racks, underseat storage, rear rack storage (optional), a tank bag (optional), map holder (optional), and gun scabbard (optional). These options offer ample space and secure storage for various items, ensuring that users can carry essential gear with ease, whether it’s for a day of outdoor adventure or practical work requirements. In addition, these features add to the ATV’s adaptability, allowing for customization based on specific needs and preferences.
Storage Option | Specification |
---|---|
Front Rack | Standard |
Rear Rack | Standard |
Underseat Storage | Standard |
Rear Rack Storage | Optional |
Tank Bag | Optional |
Map Holder | Optional |
Gun Scabbard | Optional |
Lighting System and Visibility Enhancements
The Suzuki KingQuad 400 ASi is equipped with a comprehensive lighting system designed to enhance visibility and safety, especially during low-light conditions. The headlight and taillight types and specifications play a crucial role in ensuring optimal visibility and energy efficiency.
- Halogen headlight type
- Standard headlight and taillight
- Energy-efficient lighting system
Convenience Features of the Suzuki KingQuad 400 ASi
The Suzuki KingQuad 400 ASi comes equipped with a range of convenience features that enhance the user experience for daily use and utility tasks. These features are designed to provide practical solutions for riders, ensuring seamless operation and added comfort during extended rides. Let’s delve into the convenience features that set the Suzuki KingQuad 400 ASi apart from the competition.
- Digital instrument cluster for easy monitoring of vital information
- Integrated USB charging port for powering electronic devices on the go
- Onboard tool storage for quick access to essential tools
Mounting Options and Custom Attachments
When it comes to the Suzuki KingQuad 400 ASi, the availability of mounting options and custom attachments greatly enhances the vehicle’s versatility and utility. Suzuki offers various optional mounts and attachments that are designed to seamlessly integrate with the ATV, allowing users to expand its functionality for different applications. From plow mounts for snow removal to cargo carriers for transporting gear, these accessories cater to diverse needs and preferences.
- Gun Scabbard Mount (Optional)
- Plow Mount (Optional)