2007 Opel Signum vs. 1996 Alfa Romeo 146
To start off, 2007 Opel Signum is newer by 11 year(s). Which means there will be less support and parts availability for 1996 Alfa Romeo 146. In addition, the cost of maintenance, including insurance, on 1996 Alfa Romeo 146 would be higher. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 79 more horse power than 1996 Alfa Romeo 146. (129 HP @ 6500 RPM). In normal driving conditions, 2007 Opel Signum should accelerate faster than 1996 Alfa Romeo 146. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 385 kg more than 1996 Alfa Romeo 146. 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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 151 more torque (in Nm) than 1996 Alfa Romeo 146. (149 Nm @ 4300 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1996 Alfa Romeo 146.
Compare all specifications:
| 2007 Opel Signum | 1996 Alfa Romeo 146 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 146 |
| Year Released | 2007 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 1712 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 208 HP | 129 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 300 Nm | 149 Nm |
| Torque RPM | 4000 RPM | 4300 RPM |
| Engine Bore Size | 87.5 mm | 87 mm |
| Engine Stroke Size | 88 mm | 72 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 237 km/hour | 201 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1225 kg |
| Vehicle Length | 4640 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2550 mm |
| Fuel Tank Capacity | 60 L | 50 L |
