2007 Alfa Romeo 147 vs. 2003 Vauxhall Signum
To start off, 2007 Alfa Romeo 147 is newer by 4 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 2,958 cc (6 cylinders), 2003 Vauxhall Signum is equipped with a bigger engine. In terms of performance, 2003 Vauxhall Signum (175 HP @ 5500 RPM) has 27 more horse power than 2007 Alfa Romeo 147. (148 HP @ 4000 RPM) In normal driving conditions, 2003 Vauxhall Signum should accelerate faster than 2007 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2003 Vauxhall Signum weights approximately 140 kg more than 2007 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 2007 Alfa Romeo 147. (305 Nm @ 2000 RPM). This means 2003 Vauxhall Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 147.
Compare all specifications:
| 2007 Alfa Romeo 147 | 2003 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | 147 | Signum |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 175 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 305 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 1900 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1450 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 |
