2004 Opel Signum vs. 2007 Subaru Impreza
To start off, 2007 Subaru Impreza is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,457 cc (4 cylinders), 2007 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2007 Subaru Impreza (227 HP @ 5600 RPM) has 54 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2007 Subaru Impreza should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 162 kg more than 2007 Subaru Impreza.
Because 2007 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Impreza will offer significantly more control. 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 Subaru Impreza (320 Nm @ 3600 RPM) has 55 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2007 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2007 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Signum | Impreza |
| Year Released | 2004 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2457 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 227 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 265 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 99.5 mm |
| Engine Stroke Size | 86 mm | 79 mm |
| Engine Compression Ratio | 9.5:1 | 8.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 210 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1398 kg |
| Vehicle Length | 4640 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
| Fuel Consumption Overall | 9.4 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
