2003 BMW 645 vs. 2011 BMW 528
To start off, 2011 BMW 528 is newer by 8 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 4,398 cc (8 cylinders), 2003 BMW 645 is equipped with a bigger engine. In terms of performance, 2003 BMW 645 (310 HP @ 6000 RPM) has 70 more horse power than 2011 BMW 528. (240 HP @ 6600 RPM). In normal driving conditions, 2003 BMW 645 should accelerate faster than 2011 BMW 528. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 528 weights approximately 32 kg more than 2003 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, 2003 BMW 645 (450 Nm @ 3600 RPM) has 139 more torque (in Nm) than 2011 BMW 528. (311 Nm @ 2600 RPM). This means 2003 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 528.
Compare all specifications:
| 2003 BMW 645 | 2011 BMW 528 | |
| Make | BMW | BMW |
| Model | 645 | 528 |
| Year Released | 2003 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 310 HP | 240 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 450 Nm | 311 Nm |
| Torque RPM | 3600 RPM | 2600 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 | 1698 kg | 1730 kg |
| Vehicle Length | 4830 mm | 4905 mm |
| Vehicle Width | 1860 mm | 1859 mm |
| Vehicle Height | 1380 mm | 1463 mm |
| Wheelbase Size | 2790 mm | 2969 mm |
| Fuel Consumption Highway | 8 L/100km | 7.4 L/100km |
| Fuel Consumption City | 16.1 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
