2005 BMW 740 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 4,000 cc (8 cylinders), 2005 BMW 740 is equipped with a bigger engine. In terms of performance, 2005 BMW 740 (328 HP @ 6300 RPM) has 180 more horse power than 2006 Opel Astra. (148 HP @ 4000 RPM). In normal driving conditions, 2005 BMW 740 should accelerate faster than 2006 Opel Astra.
Because 2005 BMW 740 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 740. However, in wet, icy, snow, or gravel driving conditions, 2006 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 740 (390 Nm @ 3500 RPM) has 70 more torque (in Nm) than 2006 Opel Astra. (320 Nm @ 2000 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2005 BMW 740 | 2006 Opel Astra | |
| Make | BMW | Opel |
| Model | 740 | Astra |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4000 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 148 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 390 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 17.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Width | 1910 mm | 1760 mm |
