2007 BMW Z4 vs. 2009 BMW 128
To start off, 2009 BMW 128 is newer by 2 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 3,199 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (358 HP @ 7900 RPM) has 127 more horse power than 2009 BMW 128. (231 HP @ 6500 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2009 BMW 128.
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 (385 Nm @ 4900 RPM) has 114 more torque (in Nm) than 2009 BMW 128. (271 Nm @ 2750 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 128.
Compare all specifications:
| 2007 BMW Z4 | 2009 BMW 128 | |
| Make | BMW | BMW |
| Model | Z4 | 128 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 358 HP | 231 HP |
| Engine RPM | 7900 RPM | 6500 RPM |
| Torque | 385 Nm | 271 Nm |
| Torque RPM | 4900 RPM | 2750 RPM |
| Engine Compression Ratio | 11.5:1 | 16.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
