2006 BMW 630 vs. 2003 BMW 530
To start off, 2006 BMW 630 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW 530. In addition, the cost of maintenance, including insurance, on 2003 BMW 530 would be higher. At 2,996 cc (6 cylinders), 2006 BMW 630 is equipped with a bigger engine. In terms of performance, 2006 BMW 630 (254 HP @ 6600 RPM) has 27 more horse power than 2003 BMW 530. (227 HP @ 5900 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 2003 BMW 530. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 188 kg more than 2003 BMW 530. 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 BMW 630 | 2003 BMW 530 | |
| Make | BMW | BMW |
| Model | 630 | 530 |
| Year Released | 2006 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 227 HP |
| Engine RPM | 6600 RPM | 5900 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 89.6 mm |
| Engine Compression Ratio | 10.7:1 | 10.2:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1572 kg |
| Vehicle Length | 4830 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2890 mm |
| Fuel Consumption Overall | 9.6 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
