2003 Alfa Romeo 156 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,387 cc (6 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (189 HP @ 6300 RPM) has 41 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2003 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 175 kg more than 2003 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 (326 Nm @ 2000 RPM) has 108 more torque (in Nm) than 2003 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156. 2003 Alfa Romeo 156 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alfa Romeo 156 will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 Alfa Romeo 156 | 2004 Opel Signum | |
Make | Alfa Romeo | Opel |
Model | 156 | Signum |
Year Released | 2003 | 2004 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 2387 cc | 1908 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 189 HP | 148 HP |
Engine RPM | 6300 RPM | 4000 RPM |
Torque | 218 Nm | 326 Nm |
Torque RPM | 5000 RPM | 2000 RPM |
Engine Compression Ratio | 10.3:1 | 18.0:1 |
Top Speed | 222 km/hour | 209 km/hour |
Acceleration 0-100mph | 8.5 seconds | 10.5 seconds |
Drive Type | Front | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1435 kg | 1610 kg |
Vehicle Length | 4440 mm | 4640 mm |
Vehicle Width | 1750 mm | 1800 mm |
Vehicle Height | 1440 mm | 1470 mm |
Wheelbase Size | 2710 mm | 2840 mm |
Fuel Consumption Highway | 8.6 L/100km | 5.1 L/100km |
Fuel Consumption City | 17.5 L/100km | 7.8 L/100km |
Fuel Consumption Overall | 11.9 L/100km | 6.1 L/100km |
Fuel Tank Capacity | 63 L | 60 L |