2006 BMW 645 vs. 1998 BMW 740
To start off, 2006 BMW 645 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 BMW 740. In addition, the cost of maintenance, including insurance, on 1998 BMW 740 would be higher. Both 2006 BMW 645 and 1998 BMW 740 are equipped with a 4,398 cc engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 42 more horse power than 1998 BMW 740. (286 HP @ 5400 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1998 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 740 weights approximately 132 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 10 more torque (in Nm) than 1998 BMW 740. (440 Nm @ 3600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 740.
Compare all specifications:
2006 BMW 645 | 1998 BMW 740 | |
Make | BMW | BMW |
Model | 645 | 740 |
Year Released | 2006 | 1998 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4398 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Horse Power | 328 HP | 286 HP |
Engine RPM | 6100 RPM | 5400 RPM |
Torque | 450 Nm | 440 Nm |
Torque RPM | 3600 RPM | 3600 RPM |
Engine Bore Size | 92 mm | 92 mm |
Engine Stroke Size | 83 mm | 82.7 mm |
Top Speed | 250 km/hour | 249 km/hour |
Acceleration 0-100mph | 6.1 seconds | 7 seconds |
Drive Type | Rear | Rear |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1836 kg | 1968 kg |
Vehicle Length | 4830 mm | 5130 mm |
Vehicle Width | 1860 mm | 1870 mm |
Vehicle Height | 1380 mm | 1430 mm |
Wheelbase Size | 2790 mm | 3080 mm |
Fuel Tank Capacity | 70 L | 95 L |