2005 BMW M6 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW M6. In addition, the cost of maintenance, including insurance, on 2005 BMW M6 would be higher. At 4,998 cc (10 cylinders), 2005 BMW M6 is equipped with a bigger engine. In terms of performance, 2005 BMW M6 (500 HP @ 7750 RPM) has 303 more horse power than 2007 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2005 BMW M6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW M6 weights approximately 400 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 2005 BMW M6 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 2005 BMW M6. 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, 2005 BMW M6 (500 Nm @ 6100 RPM) has 238 more torque (in Nm) than 2007 Opel Astra. (262 Nm @ 1950 RPM). This means 2005 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2005 BMW M6 has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW M6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW M6 | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | M6 | Astra |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 4998 cc | 1998 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 197 HP |
| Engine RPM | 7750 RPM | 5400 RPM |
| Torque | 500 Nm | 262 Nm |
| Torque RPM | 6100 RPM | 1950 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 75.2 mm | 86 mm |
| Engine Compression Ratio | 12.0:1 | 8.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 234 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 7.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1785 kg | 1385 kg |
| Vehicle Length | 4880 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 52 L |
