2005 BMW 330 vs. 2003 Opel Astra
To start off, 2005 BMW 330 is newer by 2 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 2,979 cc (6 cylinders), 2005 BMW 330 is equipped with a bigger engine. In terms of performance, 2005 BMW 330 (254 HP @ 6600 RPM) has 80 more horse power than 2003 Opel Astra. (174 HP @ 5200 RPM). In normal driving conditions, 2005 BMW 330 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 330 weights approximately 115 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.
Let's talk about torque, 2005 BMW 330 (300 Nm @ 2500 RPM) has 49 more torque (in Nm) than 2003 Opel Astra. (251 Nm @ 1950 RPM). This means 2005 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2005 BMW 330 | 2003 Opel Astra | |
| Make | BMW | Opel |
| Model | 330 | Astra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 174 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 300 Nm | 251 Nm |
| Torque RPM | 2500 RPM | 1950 RPM |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1525 kg | 1410 kg |
| Vehicle Length | 4530 mm | 4260 mm |
| Vehicle Width | 1820 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Tank Capacity | 55 L | 52 L |
