1966 Lamborghini 400GT 12cyl 3929cc (320hp DIN) 5M
| #4 | #3 | #2 | #1 |
| Interim (steel) Coupe | 270000 | 410000 | 520000 | 680000 |
| 2+2 Coupe | 180000 | 285000 | 375000 | 490000 |
Notes: Interim retains 2-seater configuration of the 350GT. Data is sporadic so value is based on empirical data and opinion.