2009 BMW Z4 vs. 2011 BMW 120
To start off, 2011 BMW 120 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 3,246 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (338 HP @ 7900 RPM) has 170 more horse power than 2011 BMW 120. (168 HP @ 4000 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 2011 BMW 120. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 159 kg more than 2011 BMW 120. 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, 2009 BMW Z4 (365 Nm @ 4900 RPM) has 25 more torque (in Nm) than 2011 BMW 120. (340 Nm @ 2000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW 120.
Compare all specifications:
| 2009 BMW Z4 | 2011 BMW 120 | |
| Make | BMW | BMW |
| Model | Z4 | 120 |
| Year Released | 2009 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 168 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 365 Nm | 340 Nm |
| Torque RPM | 4900 RPM | 2000 RPM |
| Engine Compression Ratio | 11.5:1 | 16.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 218 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1326 kg |
| Vehicle Length | 4120 mm | 4230 mm |
| Vehicle Width | 1310 mm | 1440 mm |
| Vehicle Height | 1790 mm | 1760 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 12.3 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 70 L | 51 L |
