Glastron GTSF200 BR vs Thunder Jet 23 Alexis OS: 5-year value retention (74% vs 74%), resale value, and cost of ownership head-to-head. Glastron GTSF200 BR holds its value better.
On five-year value retention the Glastron GTSF200 BR comes out ahead, holding about 74% of its value versus 74% for the Thunder Jet 23 Alexis OS. Over the first five years the Glastron GTSF200 BR loses roughly $12,338 while the Thunder Jet 23 Alexis OS loses about $15,909 — a gap near $3,571.
First-year drop is the biggest factor: the Glastron GTSF200 BR sheds about 5% in year one versus 12% for the Thunder Jet 23 Alexis OS. If you buy used, the steeper early drop is what the original owner absorbs.
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