2002 Alfa Romeo 156 vs. 1998 Opel Signum
To start off, 2002 Alfa Romeo 156 is newer by 4 year(s). Which means there will be less support and parts availability for 1998 Opel Signum. In addition, the cost of maintenance, including insurance, on 1998 Opel Signum would be higher. At 3,179 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (247 HP @ 6200 RPM) has 148 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 150 kg more than 2002 Alfa Romeo 156.
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, 2002 Alfa Romeo 156 (300 Nm @ 4800 RPM) has 115 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 2002 Alfa Romeo 156 | 1998 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Signum |
| Year Released | 2002 | 1998 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 99 HP |
| Engine RPM | 6200 RPM | 3120 RPM |
| Torque | 300 Nm | 185 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 78 mm | 90 mm |
| Top Speed | 250 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1595 kg |
| Vehicle Length | 4440 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
