2003 Opel Astra vs. 2004 Subaru Outback
To start off, 2004 Subaru Outback is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,457 cc (4 cylinders), 2004 Subaru Outback is equipped with a bigger engine. In terms of performance, 2004 Subaru Outback (165 HP @ 5600 RPM) has 20 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2004 Subaru Outback should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Subaru Outback weights approximately 258 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Subaru Outback 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 Outback (225 Nm) has 22 more torque (in Nm) than 2003 Opel Astra. (203 Nm). This means 2004 Subaru Outback will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2004 Subaru Outback | |
| Make | Opel | Subaru |
| Model | Astra | Outback |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 2457 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 145 HP | 165 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 203 Nm | 225 Nm |
| Engine Bore Size | 86 mm | 100 mm |
| Engine Stroke Size | 94.6 mm | 79 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1298 kg | 1556 kg |
| Vehicle Length | 4120 mm | 4770 mm |
| Vehicle Width | 1720 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption | 6.5 L/100km | 8.4 L/100km |
| Fuel Consumption City | 11.6 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 52 L | 64 L |
