This new 2026 Sea-Doo GTR-X 300 watercraft is for sale at Extreme Propulsion in Cartersville, GA. Contact Extreme Propulsion today to schedule a test drive. If this is not the exact watercraft you are looking for, do not hesitate to go back and revise your search. We are sure to have the perfect Sea-Doo for you on our showroom floor in Cartersville or arriving at our dealership soon. The North Georgia premier new and used watercraft, boat, ATV, motorcycle, and side x side dealer. Click Here for Map: 715 Joe Frank Harris Pkwy, Cartersville, GA Click Here to Call: 770-386-9430 With 300 HP of Rotax supercharged power, the 2026 GTR-X brings race-level performance with bold design and a rider-focused layout. Its low riding position and Ergolock™ seat bolster stability and control, whether carving, towing or just playing hard.