2004 Opel Signum vs. 2005 Subaru Impreza
To start off, 2005 Subaru Impreza is newer by 1 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 2,458 cc (4 cylinders), 2005 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2005 Subaru Impreza (168 HP @ 5600 RPM) has 20 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2005 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 262 kg more than 2005 Subaru Impreza.
Because 2005 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, 2005 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, 2004 Opel Signum (326 Nm) has 101 more torque (in Nm) than 2005 Subaru Impreza. (225 Nm). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Impreza.
Compare all specifications:
| 2004 Opel Signum | 2005 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Signum | Impreza |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1908 cc | 2458 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 168 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 326 Nm | 225 Nm |
| Engine Bore Size | 82 mm | 100 mm |
| Engine Stroke Size | 90.4 mm | 79 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1348 kg |
| Vehicle Length | 4640 mm | 4420 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
| Fuel Consumption | 5.1 L/100km | 7.8 L/100km |
| Fuel Consumption City | 7.8 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 6.1 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
