1991 Alfa Romeo Proteo vs. 2003 Vauxhall Signum
To start off, 2003 Vauxhall Signum is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo Proteo. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo Proteo would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo Proteo is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 103 more horse power than 2003 Vauxhall Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alfa Romeo Proteo weights approximately 20 kg more than 2003 Vauxhall Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Alfa Romeo Proteo is four wheel drive (4WD), it will have significant more traction and grip than 2003 Vauxhall Signum. In wet, icy, snow, or gravel driving conditions, 1991 Alfa Romeo Proteo will offer significantly more control. 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.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 2003 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | Proteo | Signum |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 153 HP |
| Engine RPM | 7200 RPM | 5600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1450 kg |
| Vehicle Length | 4150 mm | 4640 mm |
