The 2026 Sea-Doo GTR-X 300 is a three-passenger performance jet boat powered by a supercharged Rotax 1630 ACE engine producing 300 horsepower. Built on a GTI hull of Polytec construction, it combines responsive acceleration with playful handling. The boat carries 18.5 gallons of fuel and has a payload capacity of 600 pounds, with storage totaling 40.3 gallons across multiple compartments including a large front locker and watertight phone box.
The riding position is engineered for control and connection. The boat features an Ergolock two-piece racing seat, low-rise racing handlebar, and double-angled footwell wedges with premium carpeting. An Extended Variable Trim System allows adjustment during ride. The iBR intelligent brake and reverse system aids handling in tight situations, while electronic fuel injection with iTC Intelligent Throttle Control manages power delivery. A stainless polished impeller and closed-loop cooling system support the performance engine.
Entertainment and convenience come standard with the factory-installed BRP Audio Premium System featuring Bluetooth connectivity. A full-color 7.8-inch display with Tech Package integration provides information and control, complemented by a USB port. The boat includes a large swim platform, tow hook, and LinQ attachment system for accessory flexibility. The 2026 model comes in at 813 pounds dry weight and measures 10.92 feet in length with a 4.08-foot beam.
Length
10.92 FT
Beam
4.08 FT
Weight
794 LBS
Material
Fiberglass
Engines
1
Engine Make
Sea-Doo
Engine Model
1630 ACE™- 300
Power
NaN HP
Fuel
18.5 GAL