South Bay 521RS 3 0 Performance Pkg keeps an estimated 61% of its value after 5 years — #4418 of 5915 boats VINdown tracks. See its full depreciation curve, cost per day, and best model year to buy.
Per VINdown's modeling, the South Bay 521RS 3 0 Performance Pkg retains an estimated 61% of its value after five years, ranking #4418 of 5915 boats we track. That is roughly in line with the 62% five-year average for Pontoon in its class.
Most of the loss lands early: the South Bay 521RS 3 0 Performance Pkg sheds about 21% of its value in year one alone. From roughly $53,316 it falls to around $32,469 by year five — a five-year loss near $20,847, about $11.42 a day in depreciation.
Because the steepest drop hits around year 3, a lightly-used South Bay 521RS 3 0 Performance Pkg bought at 3 years old lets the first owner absorb the worst of the depreciation while the curve flattens — usually the value sweet spot. Explore the full year-by-year curve, trims, and true cost of ownership in the Model Lab above.
It keeps an estimated about 61% of its value after five years — worse than most among the 5915 boats VINdown tracks (ranked #4418).
From about $53,316 it drops to roughly $32,469 after five years — a loss near $20,847 (61% retained).
Around 3 years old: that is just past the steepest depreciation, so you skip the biggest drop while the value curve is flattening.
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