2004 BMW 645 vs. 2008 Opel Insignia
To start off, 2008 Opel Insignia is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 105 more horse power than 2008 Opel Insignia. (217 HP @ 5300 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2008 Opel Insignia.
Because 2004 BMW 645 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 2004 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Insignia, 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, 2004 BMW 645 (447 Nm) has 97 more torque (in Nm) than 2008 Opel Insignia. (350 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Insignia.
Compare all specifications:
| 2004 BMW 645 | 2008 Opel Insignia | |
| Make | BMW | Opel |
| Model | 645 | Insignia |
| Year Released | 2004 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 217 HP |
| Engine RPM | 7400 RPM | 5300 RPM |
| Torque | 447 Nm | 350 Nm |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4840 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1856 mm |
| Vehicle Height | 1380 mm | 1498 mm |
| Wheelbase Size | 2790 mm | 2737 mm |
