1978 Alfa Romeo Alfasud vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1978 Alfa Romeo Alfasud would be higher. At 1,995 cc (4 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (99 HP @ 3120 RPM) has 14 more horse power than 1978 Alfa Romeo Alfasud. (85 HP @ 6000 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1978 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 705 kg more than 1978 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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 129 more torque (in Nm) than 1978 Alfa Romeo Alfasud. (111 Nm @ 3500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Alfa Romeo Alfasud.
Compare all specifications:
| 1978 Alfa Romeo Alfasud | 1999 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Alfasud | Signum |
| Year Released | 1978 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1351 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 111 Nm | 240 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 80.1 mm | 84 mm |
| Engine Stroke Size | 67.2 mm | 90 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 890 kg | 1595 kg |
| Vehicle Length | 4030 mm | 4640 mm |
| Vehicle Width | 1630 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
