2017 488 GTB

1. Comparable market$340K

   53 of the same trim advertised at around 10,684 mi.

2. Mileage+30.9%$445K

   1,443 mi against 10,684 mi for the cars it is priced against. This cohort gives up 14.3% of its value each time the odometer doubles.

3. Specification+1.2%$450K

   This car has 3 sought-after options. Comparable cars mostly do not.

4. Model year-2.6%$439K

   A 2017 against a cohort centred on 2018.

5. Asking to sale-4.5%$419K

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

53 cars, model years 2016–2019, asking prices spread ±6%.

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