2012 BMW 640 vs. 2009 BMW Z4
To start off, 2012 BMW 640 is newer by 3 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 2,979 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine.
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.
Compare all specifications:
| 2012 BMW 640 | 2009 BMW Z4 | |
| Make | BMW | BMW |
| Model | 640 | Z4 |
| Year Released | 2012 | 2009 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 176 HP |
| Engine Bore Size | 89.6 mm | 82 mm |
| Engine Stroke Size | 84 mm | 78.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | 8-speed shiftable automatic | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4894 mm | 4100 mm |
| Vehicle Width | 1894 mm | 1790 mm |
| Vehicle Height | 1369 mm | 1310 mm |
| Wheelbase Size | 2855 mm | 2500 mm |
| Fuel Tank Capacity | 70 L | 55 L |
