1977 Alfa Romeo Alfasud vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Alfasud would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 133 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 772 kg more than 1977 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Opel Signum (300 Nm @ 4000 RPM) has 197 more torque (in Nm) than 1977 Alfa Romeo Alfasud. (103 Nm @ 3500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Alfasud.
Compare all specifications:
| 1977 Alfa Romeo Alfasud | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Alfasud | Signum |
| Year Released | 1977 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 208 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 103 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 64 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 169 km/hour | 237 km/hour |
| Acceleration 0-100mph | 12.4 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 838 kg | 1610 kg |
| Vehicle Length | 4030 mm | 4640 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
