Allison XB 21 Prosport Utility keeps an estimated 66% of its value after 5 years — #2805 of 5915 boats VINdown tracks. See its full depreciation curve, cost per day, and best model year to buy.
Per VINdown's modeling, the Allison XB 21 Prosport Utility retains an estimated 66% of its value after five years, ranking #2805 of 5915 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 2, a lightly-used Allison XB 21 Prosport Utility bought at 2 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 66% of its value after five years — better than most among the 5915 boats VINdown tracks (ranked #2805).
From about $63,500 it drops to roughly $42,227 after five years — a loss near $21,273 (66% retained).
Around 2 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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