2003 BMW 645 vs. 2012 BMW 750
To start off, 2012 BMW 750 is newer by 9 year(s). Which means there will be less support and parts availability for 2003 BMW 645. In addition, the cost of maintenance, including insurance, on 2003 BMW 645 would be higher. At 4,400 cc (8 cylinders), 2012 BMW 750 is equipped with a bigger engine. In terms of performance, 2012 BMW 750 (455 HP @ 5500 RPM) has 134 more horse power than 2003 BMW 645. (321 HP @ 6100 RPM) In normal driving conditions, 2012 BMW 750 should accelerate faster than 2003 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 750 weights approximately 300 kg more than 2003 BMW 645. 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, 2012 BMW 750 (697 Nm @ 2000 RPM) has 247 more torque (in Nm) than 2003 BMW 645. (450 Nm @ 3600 RPM). This means 2012 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 645.
Compare all specifications:
2003 BMW 645 | 2012 BMW 750 | |
Make | BMW | BMW |
Model | 645 | 750 |
Year Released | 2003 | 2012 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 4398 cc | 4400 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 321 HP | 455 HP |
Engine RPM | 6100 RPM | 5500 RPM |
Torque | 450 Nm | 697 Nm |
Torque RPM | 3600 RPM | 2000 RPM |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1895 kg | 2195 kg |
Vehicle Length | 4830 mm | 5215 mm |
Vehicle Width | 1860 mm | 1902 mm |
Vehicle Height | 1380 mm | 1481 mm |
Wheelbase Size | 2790 mm | 3211 mm |
Fuel Consumption | 8.5 L/100km | 9.8 L/100km |
Fuel Consumption City | 16.8 L/100km | 13.8 L/100km |
Fuel Tank Capacity | 70 L | 82 L |