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The 2026 Supra SL550 is the pinnacle of modern watersports performance, and this stunning White hull model is ready to dominate the water from its home base in Knoxville. Powered by the thunderous Indmar Raptor 575 — a 575-horsepower gas engine paired with dual stern thrusters and electric power steering assist — the SL550 delivers the kind of precise, confidence-inspiring control that serious skiers and wakeboarders demand. At 23.5 feet with a wide 102-inch beam, this boat carves out the perfect balance of stability and agility, giving riders the ultimate platform for pulling world-class wakes and glassy ski sets. Supra has loaded this SL550 with a feature set that elevates every hour on the water. The power folding tower bimini and power swim step add effortless convenience, while cooling seats at the OB and helm positions keep everyone comfortable during long summer days. An electric cooler, interior wash down, and 4-port heater round out the creature comforts, making the SL550 as livable as it is thrilling. Docking lights at the bow and tower, underwater lights, and underwater midship lights give the boat a striking presence from dawn to dusk, while the PTM 140 mirror and 3-layer non-skid ensure safety and performance are never compromised. Whether you're chasing personal bests behind the boat or entertaining friends and family on the lake, the 2026 Supra SL550 is engineered to exceed every expectation. Contact us for current pricing and to schedule your personal walkthrough — this is one boat you need to experience in person.
Based on 9 reviews from across the web
The SL550 earns consistent praise from both expert reviewers and owners as one of the stronger all-around watersports boats in its class. Boating Magazine describes the 2026 SL as a benchmark for buyers comparing the very best in the segment. The supercharged Indmar engine delivers confident pull, and the wake and wave tuning system is straightforward enough that riders of all skill levels can get dialed in quickly.
Owners who have come from competing brands note that the SL's build quality holds up well alongside premium alternatives, and several long-time Supra owners keep coming back, with a few now on their fourth or fifth boat. The hull's handling draws particular mention, with owners describing the steering feel as responsive and agile for a boat this size.
Opinions on how the SL stacks up against direct competitors vary from owner to owner. Most feel it runs comfortably with the best in its class; a smaller number consider it a strong but not dominant option in a competitive segment. Either way, the consensus across forums and professional reviews points to a well-rounded, capable boat that suits a wide range of riders and conditions.
We hear this often, and the answer is yes. The wave and wake tuning system is simple to adjust on the fly, so whether you have a beginner or an experienced rider in tow, you can dial in the right setup quickly.
Owners who have come from competing premium brands consistently mention that the SL steers responsively and feels agile for its size, describing it as driving like a proper inboard.
Several of our owners who have owned five or more premium boats from other brands feel the Supra's construction quality is very close to the top names in the segment.
Reviewers and owners alike note strong push and a well-shaped wave. The hull has been refined over multiple model years, and the wave is consistently described as having good energy for surfing.
That is exactly what it is designed for. The adjustable ballast and wave-shaping system let you switch between activities without a lot of fuss, which is one of the things our owners appreciate most about it.
Boating Magazine puts it among the best all-around watersports boats in its size range. A handful of forum owners feel the segment is competitive enough that it is a strong peer rather than a runaway leader, but most agree it holds its own against the best options available.
Summarized by AI from public sources across the web — owner forums, marine publications, and other boating sites. Provided for research; not authored or endorsed by the dealership.
Knoxville
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(865) 693-9949Knoxville
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Or call us directly:
(865) 693-9949Connect with us to learn more about this boat or schedule a visit
Or call us: (865) 693-9949
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