2006 BMW 550 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 550. In addition, the cost of maintenance, including insurance, on 2006 BMW 550 would be higher. At 4,801 cc (8 cylinders), 2006 BMW 550 is equipped with a bigger engine. In terms of performance, 2006 BMW 550 (360 HP @ 6300 RPM) has 182 more horse power than 2007 Opel Astra. (178 HP @ 5500 RPM). In normal driving conditions, 2006 BMW 550 should accelerate faster than 2007 Opel Astra.
Because 2006 BMW 550 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 550. However, in wet, icy, snow, or gravel driving conditions, 2007 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 550 (488 Nm @ 3400 RPM) has 258 more torque (in Nm) than 2007 Opel Astra. (230 Nm @ 1950 RPM). This means 2006 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2006 BMW 550 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | 550 | Astra |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4801 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 | 178 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 488 Nm | 230 Nm |
| Torque RPM | 3400 RPM | 1950 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Length | 4860 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Highway | 10.2 L/100km | 5.4 L/100km |
| Fuel Consumption City | 14.7 L/100km | 8.6 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
