2008 BMW 318 vs. 2006 BMW Z4
To start off, 2008 BMW 318 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (228 HP @ 5900 RPM) has 87 more horse power than 2008 BMW 318. (141 HP @ 6000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2008 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 318 weights approximately 30 kg more than 2006 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, 2006 BMW Z4 (301 Nm @ 3500 RPM) has 101 more torque (in Nm) than 2008 BMW 318. (200 Nm @ 3750 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 318.
Compare all specifications:
| 2008 BMW 318 | 2006 BMW Z4 | |
| Make | BMW | BMW |
| Model | 318 | Z4 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 141 HP | 228 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 200 Nm | 301 Nm |
| Torque RPM | 3750 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 89.6 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1365 kg |
| Vehicle Length | 4270 mm | 4100 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1410 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 63 L | 55 L |
