Kawasaki Ultra 310X vs Sea-Doo GTR 230: 5-year value retention (71% vs 71%), resale value, and cost of ownership head-to-head. Sea-Doo GTR 230 holds its value better.
On five-year value retention the Sea-Doo GTR 230 comes out ahead, holding about 71% of its value versus 71% for the Kawasaki Ultra 310X. Over the first five years the Sea-Doo GTR 230 loses roughly $4,321 while the Kawasaki Ultra 310X loses about $5,587 — a gap near $1,266.
First-year drop is the biggest factor: the Sea-Doo GTR 230 sheds about 19% in year one versus 20% for the Kawasaki Ultra 310X. If you buy used, the steeper early drop is what the original owner absorbs.
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