2007 Opel Signum vs. 2010 Alfa Romeo 159
To start off, 2010 Alfa Romeo 159 is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,198 cc (4 cylinders), 2010 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2010 Alfa Romeo 159 (183 HP @ 6500 RPM) has 30 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2010 Alfa Romeo 159 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alfa Romeo 159 weights approximately 80 kg more than 2007 Opel 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, 2010 Alfa Romeo 159 (230 Nm @ 4500 RPM) has 10 more torque (in Nm) than 2007 Opel Signum. (220 Nm @ 3800 RPM). This means 2010 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum.
Compare all specifications:
| 2007 Opel Signum | 2010 Alfa Romeo 159 | |
| Make | Opel | Alfa Romeo |
| Model | Signum | 159 |
| Year Released | 2007 | 2010 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 183 HP |
| Engine RPM | 5600 RPM | 6500 RPM |
| Torque | 220 Nm | 230 Nm |
| Torque RPM | 3800 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 86 mm |
| Engine Stroke Size | 94.6 mm | 94.6 mm |
| Engine Compression Ratio | 12.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 222 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1615 kg |
| Vehicle Length | 4640 mm | 4670 mm |
| Vehicle Width | 1800 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Consumption Overall | 8.1 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
