1999 BMW 730 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW 730. In addition, the cost of maintenance, including insurance, on 1999 BMW 730 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 138 more horse power than 1999 BMW 730. (190 HP @ 5300 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1999 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 90 kg more than 1999 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 170 more torque (in Nm) than 1999 BMW 730. (280 Nm @ 3950 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 730.
Compare all specifications:
1999 BMW 730 | 2006 BMW 645 | |
Make | BMW | BMW |
Model | 730 | 645 |
Year Released | 1999 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 2793 cc | 4398 cc |
Engine Cylinders | 6 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 190 HP | 328 HP |
Engine RPM | 5300 RPM | 6100 RPM |
Torque | 280 Nm | 450 Nm |
Torque RPM | 3950 RPM | 3600 RPM |
Engine Bore Size | 84 mm | 92 mm |
Engine Stroke Size | 84 mm | 83 mm |
Engine Compression Ratio | 10.2:1 | 10.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1746 kg | 1836 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 | 90 L | 70 L |