2002 BMW 320 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2002 BMW 320. In addition, the cost of maintenance, including insurance, on 2002 BMW 320 would be higher. At 2,994 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6250 RPM) has 67 more horse power than 2002 BMW 320. (148 HP @ 5900 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2002 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW 320 weights approximately 70 kg more than 2008 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, 2008 BMW Z4 (251 Nm @ 2750 RPM) has 41 more torque (in Nm) than 2002 BMW 320. (210 Nm @ 3750 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW 320.
Compare all specifications:
| 2002 BMW 320 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | 320 | Z4 |
| Year Released | 2002 | 2008 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 215 HP |
| Engine RPM | 5900 RPM | 6250 RPM |
| Torque | 210 Nm | 251 Nm |
| Torque RPM | 3750 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 85.1 mm |
| Engine Stroke Size | 90 mm | 88.1 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1465 kg | 1395 kg |
| Vehicle Length | 4490 mm | 4100 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Tank Capacity | 63 L | 55 L |
