What to enter

Purchase price: starting value
Annual drop: realistic percentage (e.g. 10–20%)
Years owned: how long you have kept the vehicle
Output: estimated current value + total depreciation

Input data

Build optimistic / realistic / cautious scenarios with different rates.

Help

Compound-style depreciation: each year applies the rate to the then-current value.

Market value also depends on mileage, condition, equipment, supply and demand, and the wider market.