2007 BMW Z4 vs. 2008 BMW 323
To start off, 2008 BMW 323 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 39 more horse power than 2008 BMW 323. (176 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2008 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 323 weights approximately 128 kg more than 2007 BMW Z4.
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, 2007 BMW Z4 (250 Nm) has 20 more torque (in Nm) than 2008 BMW 323. (230 Nm). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 323.
Compare all specifications:
| 2007 BMW Z4 | 2008 BMW 323 | |
| Make | BMW | BMW |
| Model | Z4 | 323 |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2494 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 176 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 230 Nm |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 78.8 mm | 78.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 240 km/hour | 229 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1362 kg | 1490 kg |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Height | 1790 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2770 mm |
| Fuel Consumption Overall | 8.4 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
