1998 BMW 323 vs. 2005 BMW 630
To start off, 2005 BMW 630 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW 323. In addition, the cost of maintenance, including insurance, on 1998 BMW 323 would be higher. At 2,999 cc (6 cylinders), 2005 BMW 630 is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 84 more horse power than 1998 BMW 323. (170 HP @ 7400 RPM) In normal driving conditions, 2005 BMW 630 should accelerate faster than 1998 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 630 weights approximately 217 kg more than 1998 BMW 323. 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 630 (300 Nm) has 54 more torque (in Nm) than 1998 BMW 323. (246 Nm). This means 2005 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 323.
Compare all specifications:
| 1998 BMW 323 | 2005 BMW 630 | |
| Make | BMW | BMW |
| Model | 323 | 630 |
| Year Released | 1998 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 254 HP |
| Engine RPM | 7400 RPM | 6600 RPM |
| Torque | 246 Nm | 300 Nm |
| Engine Bore Size | 84.1 mm | 85 mm |
| Engine Stroke Size | 74.9 mm | 88 mm |
| Top Speed | 231 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1547 kg | 1764 kg |
| Vehicle Length | 4440 mm | 4830 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2670 mm |
