2003 Opel Signum vs. 2013 Subaru Impreza
To start off, 2013 Subaru Impreza is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2013 Subaru Impreza (261 HP @ 6000 RPM) has 86 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 2013 Subaru Impreza should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 240 kg more than 2013 Subaru Impreza.
Because 2013 Subaru Impreza is all wheel drive (AWD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2013 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, 2003 Opel Signum (371 Nm @ 1900 RPM) has 40 more torque (in Nm) than 2013 Subaru Impreza. (331 Nm @ 4400 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2013 Subaru Impreza.
Compare all specifications:
| 2003 Opel Signum | 2013 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Signum | Impreza |
| Year Released | 2003 | 2013 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 261 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 371 Nm | 331 Nm |
| Torque RPM | 1900 RPM | 4400 RPM |
| Engine Bore Size | 87.5 mm | 99 mm |
| Engine Stroke Size | 82 mm | 79 mm |
| Fuel Type | Diesel | Gasoline / Electric Hybrid |
| Top Speed | 221 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 6.1 seconds |
| Drive Type | Front | AWD |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1430 kg |
| Vehicle Length | 4640 mm | 4580 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1475 mm |
| Wheelbase Size | 2700 mm | 2620 mm |
