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Allison XB 21 Prosport Utility keeps an estimated 66% of its value after 5 years — #2740 of 5780 boats VINdown tracks. See the full depreciation curve.
Per VINdown's modeling, the Allison XB 21 Prosport Utility retains an estimated 66% of its value after five years, ranking #2740 of 5780 boats we track. That is roughly in line with the 66% five-year average for Bowrider in its class.
Most of the loss lands early: the Allison XB 21 Prosport Utility sheds about 11% of its value in year one alone. From roughly $63,500 it falls to around $42,227 by year five — a five-year loss near $21,273, about $11.66 a day in depreciation.
Because the steepest drop hits around year 3, a lightly-used Allison XB 21 Prosport Utility 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 66% of its value after five years — better than most among the 5780 boats VINdown tracks (ranked #2740).
From about $63,500 when new it drops to roughly $42,227 after five years — a loss near $21,273 (66% of its value retained).
Around 3 years old: that is just past the steepest depreciation, so you skip the biggest drop while the value curve is flattening.