2002 Alfa Romeo 156 vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 3,177 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (247 HP @ 6000 RPM) has 72 more horse power than 2003 Vauxhall Signum. (175 HP @ 5500 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 20 kg more than 2002 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 Vauxhall Signum (370 Nm @ 1900 RPM) has 65 more torque (in Nm) than 2002 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2003 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | 156 | Signum |
| Year Released | 2002 | 2003 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3177 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 | 6000 RPM | 5500 RPM |
| Torque | 305 Nm | 370 Nm |
| Torque RPM | 4800 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1450 kg |
| Vehicle Length | 4450 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2610 mm | 2840 mm |
