Allison XB 21 Prosport Trnmnt ED keeps an estimated 67% of its value after 5 years — #2615 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 Trnmnt ED retains an estimated 67% of its value after five years, ranking #2615 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 Trnmnt ED sheds about 11% of its value in year one alone. From roughly $68,000 it falls to around $45,696 by year five — a five-year loss near $22,304, about $12.22 a day in depreciation.
Because the steepest drop hits around year 1, a lightly-used Allison XB 21 Prosport Trnmnt ED bought at 1 year 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 67% of its value after five years — better than most among the 5915 boats VINdown tracks (ranked #2615).
From about $68,000 it drops to roughly $45,696 after five years — a loss near $22,304 (67% retained).
Around 1 year old: that is just past the steepest depreciation, so you skip the biggest drop while the value curve is flattening.
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