2005 Alfa Romeo 156 vs. 2004 Opel Signum
To start off, 2005 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,490 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP @ 5000 RPM) has 12 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 70 kg more than 2005 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 44 more torque (in Nm) than 2005 Alfa Romeo 156. (221 Nm @ 5000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
2005 Alfa Romeo 156 | 2004 Opel Signum | |
Make | Alfa Romeo | Opel |
Model | 156 | Signum |
Year Released | 2005 | 2004 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 2490 cc | 1995 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 185 HP | 173 HP |
Engine RPM | 5000 RPM | 5500 RPM |
Torque | 221 Nm | 265 Nm |
Torque RPM | 5000 RPM | 2500 RPM |
Engine Bore Size | 88 mm | 86 mm |
Engine Stroke Size | 68.3 mm | 86 mm |
Engine Compression Ratio | 10.3:1 | 9.5:1 |
Top Speed | 225 km/hour | 220 km/hour |
Drive Type | Front | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1490 kg | 1560 kg |
Vehicle Length | 4730 mm | 4640 mm |
Vehicle Width | 1820 mm | 1800 mm |
Vehicle Height | 1420 mm | 1470 mm |
Wheelbase Size | 2600 mm | 2840 mm |
Fuel Consumption Overall | 11.8 L/100km | 9.4 L/100km |
Fuel Tank Capacity | 72 L | 60 L |