2021 Sea-Doo RXT-X 300 Boat in Brick, NJ 08724 US
Built in 2021
RXT-X 300
1 Engine (--)
12 feet
Gas
Other
Designed with Sea-Doo's advanced ST3 hull, the RXT-X 300 provides exceptional stability and control, even in rough offshore conditions. The Ergolock™ system keeps riders securely positioned, enhancing handling and reducing fatigue during aggressive riding. With seating for up to three passengers, it's perfect for both solo performance runs and group adventures.
This model comes loaded with premium features including Intelligent Brake & Reverse (iBR) for improved safety and maneuverability, launch control for optimized acceleration, and multiple riding modes to suit any style-from cruising to full-throttle performance. A spacious swim platform, generous onboard storage, and available Bluetooth audio system make it just as comfortable for relaxing as it is thrilling to ride.
Whether you're carving through open water or enjoying a day at the sandbar, the 2021 RXT-X 300 delivers a perfect blend of luxury, technology, and adrenaline-pumping performance.
Price History
| Date | Event | Price |
|---|---|---|
| 8/6/26 | Price decreased | $11,995(-14.3%) |
| 7/9/26 | Initial price | $13,995 |
2021 Sea-Doo RXT-X 300 Video Tours
Sea-Doo RXT-X 300: BoatTEST Review
Overview
The Sea-Doo RXTX 300 is a high-performance watercraft designed to deliver speed and exceptional handling even in challenging water conditions. It accommodates up to three riders and emphasizes a strong connection between the machine and the rider through advanced ergonomic and technological features. This watercraft is suitable for both thrill-seekers and families, offering ample storage and ease of use around docks.
Exterior Design and Ergonomics
The RXTX 300 features clean lines with subtle angular geometry, complemented by integrated, fully adjustable mirrors positioned safely within the dock strike zone. A standout aspect of its design is the Ergolock system, developed with input from an ergonomics expert to make the vehicle an extension of the rider. This system includes a footwell with distinct positions for cruising and cornering, a redesigned seat that locks the rider in place by allowing the knees to press inward, and a raised seat back that provides additional support. Together, these elements create a triangular support system enhancing rider control and comfort.
Control and Technology
The RXTX 300 incorporates several advanced control features starting with the Adjustable Ergonomic Steering (AES), which allows the handlebars to be rotated and adjusted in and out with guide marks ensuring symmetry. Uniquely, the gauges adjust in tandem with the handlebars for optimal visibility. The left handlebar hosts the start-stop button, a palm-rest grip, the Intelligent Brake and Reverse (IBR) lever for safe stopping and maneuvering, the Variable Trim System (VTS) for adjusting riding attitude, and mode toggles between Touring, Sport, and Eco for performance or fuel efficiency. The right handlebar controls the digital display, allowing the rider to cycle through information such as speed, lap timer, fuel consumption, and trim parameters.
Power and Storage
Beneath the hinged seat, supported by a gas strut, lies a redesigned 1630cc supercharged and intercooled engine. This engine is 9% larger than its predecessor and delivers 15% more power. Storage options include a watertight compartment under the front visor with a removable insert, secure storage for safety equipment such as a fire extinguisher and flares, and a large rear deck that facilitates boarding and towing. The RXTX 300 is tow-friendly, equipped with a rear hook and multiple handholds for passengers. Additionally, retractable dock lines are conveniently located at the sides and stern, eliminating the need to carry extra lines.
Performance and Handling
On the water, the RXTX 300 demonstrates highly responsive and instantaneous acceleration and maneuverability. Although top speed is regulated by Coast Guard agreements, the watercraft maintains impressive fuel efficiency, consuming 6.4 gallons per hour at 40 mph, 9.8 gallons per hour at 50 mph, and 14.8 gallons per hour at 60 mph. These figures allow for up to an hour of run time with a 10% fuel reserve. The combination of performance, handling, and the Ergolock system provides a ride that balances the thrill of speed with comfort and control, even in less than ideal water conditions.
Conclusion
The Sea-Doo RXTX 300 stands out as a muscle car on the water, blending high performance and precise handling with ergonomic comfort and advanced technology. Its design and features foster a strong connection between rider and machine, enhancing both enjoyment and control. This watercraft is well-suited for riders seeking speed without sacrificing comfort or practicality.
Overview from around the web 2021 Sea-Doo RXT-X 300
The 2021 Sea-Doo RXT-X 300 has garnered enthusiastic feedback from customers who have experienced its impressive performance and innovative features
Many riders praise its exhilarating acceleration and top speed, noting how the supercharged engine delivers an adrenaline rush on the water. Users often highlight the cutting-edge design and stability offered by the S3 hull, making it a powerful choice for both calm waters and rougher conditions. The ergonomic seating and spacious storage are additional points of appreciation, allowing for comfortable rides and convenience during long outings. Customers also commend the advanced technology integrated into the Sea-Doo RXT-X 300, including features like the Bluetooth-enabled Display and Intelligent Brake and Reverse (iBR), which enhance safety and control. The vehicle's handling and maneuverability are often described as outstanding, providing confidence to both novice and experienced riders. Overall, reviews reflect a strong sense of satisfaction among Sea-Doo enthusiasts, praising the 2021 RXT-X 300 as a top-tier watercraft that combines power, comfort, and cutting-edge technology for an unforgettable experience on the water.
The Biggest Pros and Cons
2021 Sea-Doo RXT-X 300: Pros and Cons
Pros
Powerful Performance: The RXT-X 300 is equipped with a potent 300-hp engine, offering exhilarating speed and acceleration, perfect for thrill-seekers.
Advanced Steering: Features Sea-Doo's Variable Trim System (VTS) and a closed-loop cooling system for enhanced handling and improved stability in various water conditions.
Comfort and Ergonomics: With its ergonomic seating and adjustable handlebar, the RXT-X 300 ensures a comfortable ride, allowing you to navigate longer excursions without fatigue.
Intelligent Brake and Reverse (iBR): This innovative system provides seamless braking and reverse, enhancing control and safety during maneuvers.
High-Performance Hull Design: The ST3 hull design delivers superior stability and rough water performance, making it agile and responsive on the waves.
Storage: Generous onboard storage solutions allow for ample room to carry essentials, making it convenient for longer adventures.
Technology Features: Equipped with a top-tier digital display and Bluetooth connectivity, riders can access music and navigation effortlessly.
Eco-Friendly: Its ECO mode optimizes fuel efficiency, allowing for longer rides while minimizing environmental impact.
Cons
Price: The RXT-X 300 is positioned in the premium price range, which may be a concern for budget-conscious buyers.
Weight: Weighing more than some other models, it may affect maneuverability, especially for novice riders.
Fuel Consumption: Although it features an ECO mode, the powerful engine's fuel consumption may be higher during performance-focused rides.
Maintenance Costs: As with many high-performance watercraft, routine maintenance can be more expensive, especially with specialized parts.
Less Agile in Tight Spaces: While it excels in open water, the larger size and weight can make it less maneuverable in confined areas or among tight obstacles.
Learning Curve: The advanced features and power might pose a learning curve for new riders who are not familiar with performance watercraft. With its combination of power, technology, and comfort, the 2021 Sea-Doo RXT-X 300 is ideal for enthusiasts seeking thrilling aquatic adventures, while being mindful of both its strengths and potential drawbacks.
Made For
The 2021 Sea-Doo RXT-X 300 is designed for thrill-seekers and performance enthusiasts who crave adrenaline-fueled adventures on the water. Ideal for riders who appreciate cutting-edge technology and superior handling, this jet ski caters to those who want to push the limits of speed and agility. Whether you’re tackling challenging waves or cruising along open waters, the RXT-X 300 is perfect for individuals or families who enjoy high-performance recreational activities. Its powerful 300-horsepower engine and advanced features ensure an exhilarating ride, making it suitable for both experienced riders looking for their next challenge and those eager to dive into the world of personal watercraft. With its sleek design and comfortable seating, the 2021 RXT-X 300 offers an exciting yet smooth experience, accommodating both solo riders tackling big adventures and those enjoying the ride with friends. It's the ultimate choice for anyone looking to elevate their watercraft experience to new heights.
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 2021 Sea-Doo RXT-X 300 | ||||||
|---|---|---|---|---|---|---|
| Price | $11,995 | $13,299 | $13,899 | $8,995 | $17,149 | $19,099 |
| Location | Brick | Brick | Brick | Brick | Brick | Brick |
| Nominal Length | 12' | 12' | 12' | 12' | 12' | 12' |
| Days on Market | 45 | 17 | 17 | 45 | 17 | 17 |
| Get in touch |
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Meet the Broker
Address
Boat Location
Contact D&R Boat World about 2021 Sea-Doo RXT-X 300
271 Highway 22 East, Green Brook, NJ, 08812
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