2004 BMW Z4 vs. 2005 BMW 318
To start off, 2005 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,171 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (168 HP @ 6250 RPM) has 55 more horse power than 2005 BMW 318. (113 HP @ 5500 RPM). In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2005 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW Z4 weights approximately 25 kg more than 2005 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2004 BMW Z4 (210 Nm @ 3500 RPM) has 43 more torque (in Nm) than 2005 BMW 318. (167 Nm @ 3750 RPM). This means 2004 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 318.
Compare all specifications:
| 2004 BMW Z4 | 2005 BMW 318 | |
| Make | BMW | BMW |
| Model | Z4 | 318 |
| Year Released | 2004 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 113 HP |
| Engine RPM | 6250 RPM | 5500 RPM |
| Torque | 210 Nm | 167 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Compression Ratio | 10.8:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1325 kg | 1300 kg |
| Vehicle Length | 4100 mm | 4270 mm |
| Vehicle Width | 1790 mm | 1760 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
| Fuel Tank Capacity | 55 L | 67 L |
