| Model | Date of manufacture | Power, kWt | Power HP | Volume cc | Type of construction |
|---|---|---|---|---|---|
| WESTFIELD XI Roadster | 01.2004 - ... | 48 | 65 | 1275 | Convertible |
| WESTFIELD XI 1.1 | 12.1982 - 12.1984 | 55 | 75 | 1098 | Convertible |
| WESTFIELD XI 1.2 | 12.1982 - 12.1984 | 28 | 38 | 1172 | Convertible |