1999 BMW 323 vs. 2006 BMW 525
To start off, 2006 BMW 525 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW 323. In addition, the cost of maintenance, including insurance, on 1999 BMW 323 would be higher. Both 1999 BMW 323 and 2006 BMW 525 are equipped with a 2,494 cc engine. In terms of performance, 2006 BMW 525 (190 HP @ 6000 RPM) has 20 more horse power than 1999 BMW 323. (170 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 525 should accelerate faster than 1999 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 323 weights approximately 70 kg more than 2006 BMW 525.
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 245 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. 2006 BMW 525 has automatic transmission and 1999 BMW 323 has manual transmission. 1999 BMW 323 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW 323 | 2006 BMW 525 | |
| Make | BMW | BMW |
| Model | 323 | 525 |
| Year Released | 1999 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2494 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 190 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 245 Nm | 245 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 201 km/hour | 230 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1360 kg |
| Vehicle Length | 4480 mm | 4780 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 70 L |
