2007 Alfa Romeo 159 vs. 2007 Opel Signum
To start off, both 2007 Alfa Romeo 159 and 2007 Opel Signum were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 26 more horse power than 2007 Alfa Romeo 159. (182 HP @ 6500 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 2007 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 159 weights approximately 5 kg more than 2007 Opel Signum.
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 Opel Signum (300 Nm @ 4000 RPM) has 70 more torque (in Nm) than 2007 Alfa Romeo 159. (230 Nm @ 4500 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 159.
Compare all specifications:
| 2007 Alfa Romeo 159 | 2007 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | 159 | Signum |
| Year Released | 2007 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 182 HP | 208 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 230 Nm | 300 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 94.6 mm | 88 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 7.9 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 | 1615 kg | 1610 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1840 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Consumption Overall | 9.5 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
