| Motorisation: |
| Transverse, mid-mounted 90° 8, light alloy cylinder
block and head |
| Alésage et course: |
| 83 x 73.6 mm |
| Cylindrée: |
| 398.12/3,184.96 cc |
| Rapport de compression |
| 9.8:1 |
| Puissance maximum: |
| 270 bhp at 7,000 rpm; 84 bhp/litre |
| Distribution: |
| 4 valves per cylinder, twin overhead camshafts per cylinder
bank |
| Alimentation: |
| Bosch K-Jetronic mechanical injection |
| Allumage: |
| Marelli Microplex electronic |
| Transmission: |
| Dry single-plate clutch, 5-speed gearbox + reverse,
ZF limited-slip differential |
| Chassis: |
| Tubular |
| Suspension avant: |
| Independent, double wishbones, coil springs, telescopic
dampers, anti-roll bar |
| Suspension arrière: |
| Independent, double wishbones, coil springs, telescopic
dampers, anti-roll bar |
| Freins: |
| Ventilated discs, servo assist. |
| Direction: |
| Rack and pinion |
| Système de refroidissement: |
| 1 front radiator |
| Longueur: |
| 4255 mm |
| Largeur: |
| 1730 mm |
| Hauteur: |
| 1128 mm |
| Empatement et voies avant/arrière |
| 2,350/1,485/1,465 mm |
| Poids à vide: |
| 1,263 kg (GTB), 1,273 kg (GTS) |
| Pneus: |
| Front:225-50 VR 16, Rear:225-50 VR 16 |
| Capacité du réservoir: |
| 74 litres |
| Vitesse maximum |
| 263 km/h |
|