2006 BMW Z4 vs. 1999 BMW 318
To start off, 2006 BMW Z4 is newer by 7 year(s). Which means there will be less support and parts availability for 1999 BMW 318. In addition, the cost of maintenance, including insurance, on 1999 BMW 318 would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 1999 BMW 318 (192 HP @ 7250 RPM) has 3 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1999 BMW 318 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 60 kg more than 1999 BMW 318.
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 318 (355 Nm) has 110 more torque (in Nm) than 2006 BMW Z4. (245 Nm). This means 1999 BMW 318 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1999 BMW 318 | |
| Make | BMW | BMW |
| Model | Z4 | 318 |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1798 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 192 HP |
| Engine RPM | 6000 RPM | 7250 RPM |
| Torque | 245 Nm | 355 Nm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 186 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1275 kg |
| Vehicle Length | 4100 mm | 4490 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2730 mm |
