Comparison Aston Martin DB7 Vantage 5.9 V12 (426 Hp) & Rolls-Royce Silver Dawn 4.6 (128 Hp) Automatic
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| Brand: | Aston Martin | Rolls-Royce |
| Model: | DB7 | Silver Dawn |
| Generation: | DB7 Vantage | Silver Dawn |
| Engine / modification: | 5.9 V12 (426 Hp) | 4.6 (128 Hp) Automatic |
| Production start: | 1999 year | 1951 year |
| Production end: | 2003 year | 1955 year |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2 | 5 |
| Fuel consumption / economy - combined: | 20.2 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 82 l | |
| Power: | 426 hp | 128 hp |
| Max power in: | 6000 rpm. | |
| Maximum speed: | 298 km/h | 140 km/h |
| Acceleration from 0 to 100 km/h: | >5 sec | |
| Torque: | 540 Nm/5000 rpm. | |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 5935 cm3 | 4566 cm3 |
| Engine oil capacity: | 9 l | |
| Coolant: | 18 l | |
| Fuel System: | Carburettor | |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | OHV | |
| Number of cylinders: | 12 | 6 |
| Number of valves per cylinder: | 2 | |
| Compression ratio: | 6.75 | |
| Piston Stroke: | 114.3 mm | |
| Cylinder Bore: | 91.95 mm | |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4666 mm | 5168 mm |
| Width: | 1830 mm | 1778 mm |
| Height: | 1238 mm | 1670 mm |
| Wheelbase: | 3048 mm | |
| Front track: | 1435 mm | |
| Rear (Back) track: | 1485 mm | |
| Ride height(clearance): | 191 mm | |
| Front suspension: | Independent, spring | Independent, spring |
| Rear suspension: | Independent, spring | |
| Front brakes: | Ventilated discs | Drum |
| Rear brakes: | Ventilated discs | Drum |
| Kerb Weight: | 1780 kg | 1914 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 12.5 m | |
| Tire size: | Front wheel tires: 215/75 R16 | |
| Wheel rims size: | 6.5J x 16 |