Sea-Doo GTI SE 155 vs Sea-Doo GTX 155: 5-year value retention (80% vs 80%), resale value, and cost of ownership head-to-head. Sea-Doo GTI SE 155 holds its value better.
On five-year value retention the Sea-Doo GTI SE 155 comes out ahead, holding about 80% of its value versus 80% for the Sea-Doo GTX 155. Over the first five years the Sea-Doo GTI SE 155 loses roughly $2,196 while the Sea-Doo GTX 155 loses about $2,509 — a gap near $313.
First-year drop is the biggest factor: the Sea-Doo GTI SE 155 sheds about 4% in year one versus 4% for the Sea-Doo GTX 155. If you buy used, the steeper early drop is what the original owner absorbs.
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