2006 BMW Z4 vs. 2009 BMW 535
To start off, 2009 BMW 535 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2009 BMW 535 is equipped with a bigger engine. In terms of performance, 2009 BMW 535 (300 HP @ 5800 RPM) has 111 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 535 should accelerate faster than 2006 BMW Z4.
Because 2009 BMW 535 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 BMW 535 will offer significantly more control. 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 535 (407 Nm @ 1400 RPM) has 162 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2009 BMW 535 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 2009 BMW 535 | |
| Make | BMW | BMW |
| Model | Z4 | 535 |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 300 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 245 Nm | 407 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4100 mm | 4860 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 2890 mm |
| Fuel Consumption Overall | 9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
