Sea-Doo GTX Limited 300 Sound SYS vs Yamaha GP1800R HO: 5-year value retention (75% vs 75%), resale value, and cost of ownership head-to-head. Sea-Doo GTX Limited 300 Sound SYS holds its value better.
On five-year value retention the Sea-Doo GTX Limited 300 Sound SYS comes out ahead, holding about 75% of its value versus 75% for the Yamaha GP1800R HO. Over the first five years the Sea-Doo GTX Limited 300 Sound SYS loses roughly $4,150 while the Yamaha GP1800R HO loses about $3,564 — a gap near $-586.
First-year drop is the biggest factor: the Sea-Doo GTX Limited 300 Sound SYS sheds about 5% in year one versus 8% for the Yamaha GP1800R HO. If you buy used, the steeper early drop is what the original owner absorbs.
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