1999 BMW Z9 vs. 2006 BMW 323
To start off, 2006 BMW 323 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW Z9. In addition, the cost of maintenance, including insurance, on 1999 BMW Z9 would be higher. At 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 67 more horse power than 2006 BMW 323. (175 HP @ 5800 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 2006 BMW 323.
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, 1999 BMW Z9 (560 Nm) has 330 more torque (in Nm) than 2006 BMW 323. (230 Nm). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 323.
Compare all specifications:
| 1999 BMW Z9 | 2006 BMW 323 | |
| Make | BMW | BMW |
| Model | Z9 | 323 |
| Year Released | 1999 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2497 cc |
| Horse Power | 242 HP | 175 HP |
| Engine RPM | 7400 RPM | 5800 RPM |
| Torque | 560 Nm | 230 Nm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Width | 1980 mm | 1850 mm |
