2006 Opel Astra vs. 2004 Subaru Impreza
To start off, 2006 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Subaru Impreza. In addition, the cost of maintenance, including insurance, on 2004 Subaru Impreza would be higher. At 1,994 cc (4 cylinders), 2004 Subaru Impreza is equipped with a bigger engine. In terms of performance, 2004 Subaru Impreza (316 HP @ 5800 RPM) has 227 more horse power than 2006 Opel Astra. (89 HP @ 4000 RPM) In normal driving conditions, 2004 Subaru Impreza should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Subaru Impreza weights approximately 140 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Subaru Impreza is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 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 Subaru Impreza (420 Nm @ 4000 RPM) has 220 more torque (in Nm) than 2006 Opel Astra. (200 Nm @ 1750 RPM). This means 2004 Subaru Impreza will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Opel Astra | 2004 Subaru Impreza | |
| Make | Opel | Subaru |
| Model | Astra | Impreza |
| Year Released | 2006 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1246 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 89 HP | 316 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 200 Nm | 420 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 69.6 mm | 92 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Engine Compression Ratio | 18.0:1 | 8.0:1 |
| Top Speed | 172 km/hour | 250 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 | 1330 kg | 1470 kg |
| Vehicle Length | 4260 mm | 4420 mm |
| Vehicle Width | 1760 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
| Fuel Tank Capacity | 52 L | 60 L |
