1978 308 GTB

1. Comparable market$108K

   6 of the same trim advertised at around 30,450 mi.

2. Mileage+21%$130K

   5,462 mi against 30,450 mi for the cars it is priced against. This cohort gives up 8.9% of its value each time the odometer doubles.

3. Asking to sale-4.5%$124K

   Advertised prices sit above where cars change hands, so the mark is struck below the asks it is drawn from.

6 cars, model years 1981–1985, asking prices spread ±25%.

Struck from advertised cars and adjusted to this one. Indicative only.