2002 Alfa Romeo 147 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 147. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 147 would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 70 more horse power than 2002 Alfa Romeo 147. (138 HP @ 4000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 2002 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 320 kg more than 2002 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, 2002 Alfa Romeo 147 (305 Nm @ 2000 RPM) has 5 more torque (in Nm) than 2005 Opel Signum. (300 Nm @ 4000 RPM). This means 2002 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2002 Alfa Romeo 147 | 2005 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Signum |
| Year Released | 2002 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 208 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 305 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1610 kg |
| Vehicle Length | 4180 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
| Fuel Consumption Overall | 5.9 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
