2007 BMW 523 vs. 2005 BMW 530
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 530. In addition, the cost of maintenance, including insurance, on 2005 BMW 530 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 530 is equipped with a bigger engine. In terms of performance, 2005 BMW 530 (184 HP @ 4000 RPM) has 9 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 530 should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 530 weights approximately 90 kg more than 2007 BMW 523. 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, 2005 BMW 530 (390 Nm @ 1750 RPM) has 160 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2005 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2005 BMW 530 | |
| Make | BMW | BMW |
| Model | 523 | 530 |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 184 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 230 Nm | 390 Nm |
| Torque RPM | 3500 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Top Speed | 230 km/hour | 225 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 8.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1590 kg |
| Vehicle Length | 4850 mm | 4780 mm |
| Vehicle Width | 1470 mm | 1810 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2890 mm |
| Fuel Consumption Overall | 9.5 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
