1962 Alfa Romeo Spider vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 41 year(s). Which means there will be less support and parts availability for 1962 Alfa Romeo Spider. In addition, the cost of maintenance, including insurance, on 1962 Alfa Romeo Spider would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 44 more horse power than 1962 Alfa Romeo Spider. (163 HP @ 5900 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1962 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 283 kg more than 1962 Alfa Romeo Spider. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2003 Opel Signum (300 Nm @ 4000 RPM) has 80 more torque (in Nm) than 1962 Alfa Romeo Spider. (220 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1962 Alfa Romeo Spider.
Compare all specifications:
| 1962 Alfa Romeo Spider | 2003 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Signum |
| Year Released | 1962 | 2003 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2582 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 163 HP | 207 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 220 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 87.5 mm |
| Engine Stroke Size | 79.6 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1330 kg | 1613 kg |
| Vehicle Length | 4510 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2510 mm | 2840 mm |
| Fuel Tank Capacity | 47 L | 60 L |
