2007 Alfa Romeo 147 vs. 2001 Opel Signum
To start off, 2007 Alfa Romeo 147 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 1,994 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo 147 (148 HP @ 4000 RPM) has 4 more horse power than 2001 Opel Signum. (144 HP @ 4000 RPM). In normal driving conditions, 2007 Alfa Romeo 147 should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 33 kg more than 2007 Alfa Romeo 147.
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, 2007 Alfa Romeo 147 (305 Nm @ 2000 RPM) has 85 more torque (in Nm) than 2001 Opel Signum. (220 Nm @ 2000 RPM). This means 2007 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 2007 Alfa Romeo 147 | 2001 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 147 | Signum |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 144 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 305 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 90.4 mm | 90.4 mm |
| Engine Compression Ratio | 18.4:1 | 18.0:1 |
| Top Speed | 208 km/hour | 209 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 10.5 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 | 1365 kg | 1398 kg |
| Vehicle Length | 4230 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2850 mm |
| Fuel Tank Capacity | 60 L | 60 L |
