The BMW 635 E24 (1978–1989) costs on average €50,604 on the European used-car market, based on 17 listings. Typical prices range from €50,604 to €50,604 depending on year and condition.

Factory data from 22 registrations in the Dutch vehicle registry (RDW open data)
| Year | Average price | Average mileage | Listings |
|---|---|---|---|
| 1988 | €50,604 | 128,588 km | 17 |
Market prices are averages of live European listings. Factory data comes from the Dutch vehicle registry (RDW open data).