1981 Alfa Romeo Alfasud vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfasud would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 59 more horse power than 1981 Alfa Romeo Alfasud. (116 HP @ 5800 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1981 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 760 kg more than 1981 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 223 more torque (in Nm) than 1981 Alfa Romeo Alfasud. (147 Nm @ 3500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1981 Alfa Romeo Alfasud.
Compare all specifications:
| 1981 Alfa Romeo Alfasud | 2006 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | Alfasud | Signum |
| Year Released | 1981 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1712 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 116 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 147 Nm | 370 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 910 kg | 1670 kg |
| Vehicle Length | 4030 mm | 4640 mm |
| Vehicle Width | 1630 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2470 mm | 2840 mm |
