1997 Alfa Romeo 156 vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 9 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 1997 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 156 (187 HP @ 6300 RPM) has 34 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1997 Alfa Romeo 156 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 215 kg more than 1997 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, 1997 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 2 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 1997 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 1997 Alfa Romeo 156 | 2006 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 156 | Signum |
| Year Released | 1997 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 153 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 222 Nm | 220 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Engine Bore Size | 88 mm | 86 mm |
| Engine Stroke Size | 68.3 mm | 94.6 mm |
| Engine Compression Ratio | 10.3:1 | 12.0:1 |
| Top Speed | 230 km/hour | 211 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1535 kg |
| Vehicle Length | 4440 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
| Fuel Consumption Highway | 8.4 L/100km | 7.4 L/100km |
| Fuel Consumption City | 16.5 L/100km | 12.6 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
