2003 Alfa Romeo 166 vs. 2003 Vauxhall Signum
To start off, both 2003 Alfa Romeo 166 and 2003 Vauxhall Signum were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,959 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (217 HP @ 6300 RPM) has 97 more horse power than 2003 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2003 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alfa Romeo 166 weights approximately 155 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.
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 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 98 more torque (in Nm) than 2003 Vauxhall Signum. (167 Nm @ 3800 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2003 Vauxhall Signum.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2003 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | 166 | Signum |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 120 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 167 Nm |
| Torque RPM | 5000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1395 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2840 mm |
