2018 911 GT2 RS

1. Comparable market$880K

   51 of the same trim advertised at around 3,200 mi.

2. Mileage+1.3%$892K

   2,772 mi against 3,200 mi, the mileage the cars it is priced against carry. This cohort gives up 11.2% of its value each time the odometer doubles.

3. Specification+23.8%$1.1M

   This car has commissioned paint, a lightweight package and 3 sought-after options. Comparable cars mostly do not. The paint is worth 22.1%, measured across 8 commissioned and 51 standard-paint cars of this generation and held toward the usual 12% while that sample is thin. 6 of the 51 cars it is priced against are commissioned too, so the step against them is smaller.

51 cars, model years 2018–2019, asking prices spread ±6%.

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