2006 Alfa Romeo 147 vs. 2003 Vauxhall Signum
To start off, 2006 Alfa Romeo 147 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Vauxhall Signum. In addition, the cost of maintenance, including insurance, on 2003 Vauxhall Signum would be higher. At 1,909 cc (4 cylinders), 2006 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 147 (148 HP @ 4000 RPM) has 28 more horse power than 2003 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 147 should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 30 kg more than 2006 Alfa Romeo 147.
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, 2006 Alfa Romeo 147 (305 Nm @ 2000 RPM) has 138 more torque (in Nm) than 2003 Vauxhall Signum. (167 Nm @ 3800 RPM). This means 2006 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Signum.
Compare all specifications:
| 2006 Alfa Romeo 147 | 2003 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | 147 | Signum |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 305 Nm | 167 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1365 kg | 1395 kg |
| Vehicle Length | 4230 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
