This was the last true Interserie Roadster. This, and the final "Roadster" class cars, didn't even have to add wheel arches to their cars for them to be allowed to compete. This car (allegedly) ran only 2 races with wheel covers, but there are no photos to prove it.
Reynard 91D Interserie specs
| Car type | Convertible |
| Curb weight | 590 kg (1301 lbs) |
| Dimensions | 4.15 m (163 in) long, 1.93 m (76 in) wide, 0.96 m (38 in) high |
| Wheelbase | 2.83 m (111 in) |
| Years built | 1998 - 2003 |
| Origin country | United Kingdom |
| Views | 85 |
| Submitted by | humana |
Powertrain specs
| Engine type | V8 (Ford-Cosworth DFY) |
| Displacement | 3.0 l (183 ci / 2993 cc) |
| Power | 517 ps (510 bhp / 380 kw) @ 12000 rpm |
| Torque | 380 Nm (280 lb-ft) @ 9800 rpm |
| Power / liter | 173 ps (170 hp) |
| Power / weight | 876 ps (864 bhp) / t |
| Torque / weight | 644 Nm (475 lb-ft) / t |
| Transmission | 6 speed manual |
| Layout | middle engine, rear wheel drive |
