1996 BMW 745 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 10 year(s). Which means there will be less support and parts availability for 1996 BMW 745. In addition, the cost of maintenance, including insurance, on 1996 BMW 745 would be higher. Both 1996 BMW 745 and 2006 BMW 645 are equipped with a 4,398 cc engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 45 more horse power than 1996 BMW 745. (283 HP @ 5700 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1996 BMW 745. With that said, vehicle weight also plays an important factor in acceleration. 1996 BMW 745 weights approximately 85 kg more than 2006 BMW 645.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 30 more torque (in Nm) than 1996 BMW 745. (420 Nm @ 3900 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1996 BMW 745.
Compare all specifications:
| 1996 BMW 745 | 2006 BMW 645 | |
| Make | BMW | BMW |
| Model | 745 | 645 |
| Year Released | 1996 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 283 HP | 328 HP |
| Engine RPM | 5700 RPM | 6100 RPM |
| Torque | 420 Nm | 450 Nm |
| Torque RPM | 3900 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1895 kg | 1810 kg |
| Vehicle Length | 5130 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2790 mm |
| Fuel Tank Capacity | 63 L | 70 L |
