2009 BMW M5 vs. 2007 Opel Astra
To start off, 2009 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 352 more horse power than 2007 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 505 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW M5 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 2009 BMW M5. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 200 more torque (in Nm) than 2007 Opel Astra. (320 Nm @ 2000 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2009 BMW M5 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | M5 | Astra |
| Year Released | 2009 | 2007 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1910 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 500 HP | 148 HP |
| Engine RPM | 7750 RPM | 4000 RPM |
| Torque | 520 Nm | 320 Nm |
| Torque RPM | 6100 RPM | 2000 RPM |
| Engine Compression Ratio | 12.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 4.8 seconds | 9.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1450 kg |
| Vehicle Length | 4860 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1520 mm | 1510 mm |
| Wheelbase Size | 2890 mm | 2710 mm |
| Fuel Consumption Overall | 15 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
