2005 Opel Astra vs. 2003 Porsche Boxster
To start off, 2005 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Porsche Boxster. In addition, the cost of maintenance, including insurance, on 2003 Porsche Boxster would be higher. At 2,687 cc (6 cylinders), 2003 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2003 Porsche Boxster (225 HP @ 6300 RPM) has 105 more horse power than 2005 Opel Astra. (120 HP @ 4000 RPM) In normal driving conditions, 2003 Porsche Boxster should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Porsche Boxster weights approximately 115 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Porsche Boxster is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Porsche Boxster. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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 Porsche Boxster (261 Nm @ 4700 RPM) has 91 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2003 Porsche Boxster will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2003 Porsche Boxster | |
| Make | Opel | Porsche |
| Model | Astra | Boxster |
| Year Released | 2005 | 2003 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 1795 cc | 2687 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 225 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 170 Nm | 261 Nm |
| Torque RPM | 3800 RPM | 4700 RPM |
| Engine Bore Size | 80.5 mm | 85.5 mm |
| Engine Stroke Size | 88.2 mm | 78 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1235 kg | 1350 kg |
| Vehicle Length | 4520 mm | 4320 mm |
| Wheelbase Size | 2740 mm | 2360 mm |
