2005 Subaru Forester vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Subaru Forester. In addition, the cost of maintenance, including insurance, on 2005 Subaru Forester would be higher. At 2,958 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (175 HP @ 4000 RPM) has 25 more horse power than 2005 Subaru Forester. (150 HP @ 5600 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 2005 Subaru Forester. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 272 kg more than 2005 Subaru Forester. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Forester is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Subaru Forester 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, 2006 Opel Signum (370 Nm @ 1900 RPM) has 147 more torque (in Nm) than 2005 Subaru Forester. (223 Nm @ 3600 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Forester.
Compare all specifications:
| 2005 Subaru Forester | 2006 Opel Signum | |
| Make | Subaru | Opel |
| Model | Forester | Signum |
| Year Released | 2005 | 2006 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2457 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 150 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 223 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Engine Bore Size | 99.5 mm | 87.5 mm |
| Engine Stroke Size | 79 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1398 kg | 1670 kg |
| Wheelbase Size | 2530 mm | 2840 mm |
| Fuel Consumption Overall | 10 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
