2007 Opel Signum vs. 2008 Subaru Impreza
To start off, 2008 Subaru Impreza is newer by 1 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 2,196 cc (4 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Subaru Impreza (158 HP @ 6400 RPM) has 5 more horse power than 2007 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2008 Subaru Impreza should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 225 kg more than 2008 Subaru Impreza.
Because 2008 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2008 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 Opel Signum (220 Nm @ 3800 RPM) has 34 more torque (in Nm) than 2008 Subaru Impreza. (186 Nm @ 3200 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Subaru Impreza.
Compare all specifications:
| 2007 Opel Signum | 2008 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Signum | Impreza |
| Year Released | 2007 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 1992 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 158 HP |
| Engine RPM | 5600 RPM | 6400 RPM |
| Torque | 220 Nm | 186 Nm |
| Torque RPM | 3800 RPM | 3200 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 94.6 mm | 75 mm |
| Engine Compression Ratio | 12.0:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 210 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 8.8 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1310 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 | 8.1 L/100km | 9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
