2005 Alfa Romeo 156 vs. 2003 Opel Signum
To start off, 2005 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 72 more horse power than 2003 Opel Signum. (175 HP @ 5500 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 35 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 65 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2003 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 | 2003 Opel Signum | |
Make | Alfa Romeo | Opel |
Model | 156 | Signum |
Year Released | 2005 | 2003 |
Body Type | Station Wagon | Hatchback |
Engine Position | Front | Front |
Engine Size | 3179 cc | 2958 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 247 HP | 175 HP |
Engine RPM | 6200 RPM | 5500 RPM |
Torque | 305 Nm | 370 Nm |
Torque RPM | 4800 RPM | 1900 RPM |
Drive Type | Front | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 5 doors |
Vehicle Weight | 1540 kg | 1575 kg |
Wheelbase Size | 2550 mm | 2840 mm |