The new model range for 2005 comprises 200, 250 and 300 bhp versions of the Type F, designated F350, F425 and F500 respectively. The "F" reflects the "formula" racing series which have given the car its fundamental racing layout and suspension design. The number represents power to weight ratio in bhp per tonne.
All models have the standard features listed under "Technical Specifications", subject to these variations:
| F350 | F425 | F500 | |
| Max power | 200bhp | 250bhp | 300bhp |
| Max torque | 200lb ft | 250lb ft | 300lb ft |
| Stage 2 engine | * |
||
| Stage 3 engine & transmission | * |
||
| Uprated brakes | 0 |
O |
* |
| Ohlins remote reservoir gas dampers | 0 |
* |
* |
| 17" rear wheels/tyres | 0 |
* |
* |
| Metallic paint | 0 |
* |
0 |
| Two colour metallic paint | 0 |
0 |
* |
| Special paint | Design-dependent on all models | ||
| Options | |||
| Toyo R888 road legal track tyres | O | O | O |
| R888 tyres & 17" rear rims | O | ||
| Tillet Carbon-fibre seats pair | O | O | O |
| Race Pack | |||
| cockpit brake balance adjuster | O | O | O |
| fire extinguisher | O | O | O |
| external ignition switch | O | O | O |
| transponder | O | O | O |