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 2,492 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 33 more horse power than 2003 Opel Signum. (152 HP @ 5600 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 75 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, 2005 Alfa Romeo 156 (222 Nm @ 5000 RPM) has 2 more torque (in Nm) than 2003 Opel Signum. (220 Nm @ 3800 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum. 2003 Opel Signum has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
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 | 2492 cc | 2171 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 185 HP | 152 HP |
Engine RPM | 5000 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 |
Top Speed | 225 km/hour | 206 km/hour |
Acceleration 0-100mph | 8.4 seconds | 11 seconds |
Drive Type | Front | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 5 doors | 5 doors |
Vehicle Weight | 1490 kg | 1565 kg |
Vehicle Length | 4450 mm | 4640 mm |
Vehicle Width | 1750 mm | 1800 mm |
Vehicle Height | 1440 mm | 1470 mm |
Wheelbase Size | 2710 mm | 2840 mm |
Fuel Consumption Overall | 11.8 L/100km | 9.1 L/100km |
Fuel Tank Capacity | 72 L | 60 L |