2008 Alfa Romeo 166 vs. 2004 Vauxhall Signum
To start off, 2008 Alfa Romeo 166 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Vauxhall Signum. In addition, the cost of maintenance, including insurance, on 2004 Vauxhall Signum would be higher. At 2,387 cc (5 cylinders), 2008 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 166 (178 HP @ 4000 RPM) has 58 more horse power than 2004 Vauxhall Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2008 Alfa Romeo 166 should accelerate faster than 2004 Vauxhall Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 166 weights approximately 217 kg more than 2004 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, 2008 Alfa Romeo 166 (386 Nm @ 2000 RPM) has 219 more torque (in Nm) than 2004 Vauxhall Signum. (167 Nm @ 3800 RPM). This means 2008 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2004 Vauxhall Signum.
Compare all specifications:
| 2008 Alfa Romeo 166 | 2004 Vauxhall Signum | |
| Make | Alfa Romeo | Vauxhall |
| Model | 166 | Signum |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1796 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 120 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 386 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 | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1398 kg |
| Vehicle Length | 4730 mm | 4640 mm |
| Vehicle Width | 1810 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
