2005 Alfa Romeo Spider vs. 2001 Opel Signum
To start off, 2005 Alfa Romeo Spider is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo Spider is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo Spider (247 HP @ 6200 RPM) has 122 more horse power than 2001 Opel Signum. (125 HP @ 3250 RPM). In normal driving conditions, 2005 Alfa Romeo Spider should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 203 kg more than 2005 Alfa Romeo Spider.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Alfa Romeo Spider (300 Nm @ 4800 RPM) has 20 more torque (in Nm) than 2001 Opel Signum. (280 Nm @ 1500 RPM). This means 2005 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum. 2001 Opel Signum has automatic transmission and 2005 Alfa Romeo Spider has manual transmission. 2005 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo Spider | 2001 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Spider | Signum |
| Year Released | 2005 | 2001 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 125 HP |
| Engine RPM | 6200 RPM | 3250 RPM |
| Torque | 300 Nm | 280 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 242 km/hour | 201 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 11.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1407 kg | 1610 kg |
| Vehicle Length | 4310 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1320 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
| Fuel Consumption Overall | 13.2 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
