2006 BMW 650 vs. 2005 Opel Astra
To start off, 2006 BMW 650 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,800 cc (8 cylinders), 2006 BMW 650 is equipped with a bigger engine. In terms of performance, 2006 BMW 650 (360 HP @ 6300 RPM) has 263 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 650 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 650 weights approximately 620 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 2006 BMW 650 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 2006 BMW 650. 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, 2006 BMW 650 (488 Nm @ 3400 RPM) has 346 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2006 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2006 BMW 650 | 2005 Opel Astra | |
| Make | BMW | Opel |
| Model | 650 | Astra |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 97 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 488 Nm | 142 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 9.8:1 |
| Top Speed | 241 km/hour | 193 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1110 kg |
| Wheelbase Size | 2790 mm | 2700 mm |
| Fuel Consumption Overall | 13.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
