2007 BMW 645 vs. 2008 Opel Insignia
To start off, 2008 Opel Insignia is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 199 more horse power than 2008 Opel Insignia. (129 HP @ 4000 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2008 Opel Insignia.
Because 2007 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 2007 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 150 more torque (in Nm) than 2008 Opel Insignia. (300 Nm @ 1750 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Insignia.
Compare all specifications:
| 2007 BMW 645 | 2008 Opel Insignia | |
| Make | BMW | Opel |
| Model | 645 | Insignia |
| Year Released | 2007 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1956 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 129 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4830 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1856 mm |
| Vehicle Height | 1380 mm | 1498 mm |
| Wheelbase Size | 2790 mm | 2737 mm |
