2007 BMW Z4 vs. 2009 BMW 135
To start off, 2009 BMW 135 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 2,979 cc (6 cylinders), 2009 BMW 135 is equipped with a bigger engine. In terms of performance, 2009 BMW 135 (300 HP @ 5800 RPM) has 85 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2009 BMW 135 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 36 kg more than 2009 BMW 135.
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 135 (407 Nm @ 1400 RPM) has 157 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2009 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2009 BMW 135 | |
| Make | BMW | BMW |
| Model | Z4 | 135 |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 300 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 407 Nm |
| Torque RPM | 2750 RPM | 1400 RPM |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 240 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1362 kg | 1326 kg |
| Vehicle Length | 4100 mm | 4370 mm |
| Vehicle Width | 1310 mm | 1750 mm |
| Vehicle Height | 1790 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2670 mm |
| Fuel Consumption Overall | 8.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 53 L |
