2007 BMW Z4 vs. 2009 BMW 120
To start off, 2009 BMW 120 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 2,497 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (215 HP @ 6500 RPM) has 47 more horse power than 2009 BMW 120. (168 HP @ 6700 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2009 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 120 weights approximately 53 kg more than 2007 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, 2007 BMW Z4 (250 Nm @ 2750 RPM) has 40 more torque (in Nm) than 2009 BMW 120. (210 Nm @ 4250 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 120.
Compare all specifications:
| 2007 BMW Z4 | 2009 BMW 120 | |
| Make | BMW | BMW |
| Model | Z4 | 120 |
| Year Released | 2007 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 168 HP |
| Engine RPM | 6500 RPM | 6700 RPM |
| Torque | 250 Nm | 210 Nm |
| Torque RPM | 2750 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 240 km/hour | 220 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 8.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1362 kg | 1415 kg |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Width | 1310 mm | 1420 mm |
| Vehicle Height | 1790 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 8.4 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 55 L | 53 L |
