2008 BMW Z4 vs. 2006 BMW M6
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW M6. In addition, the cost of maintenance, including insurance, on 2006 BMW M6 would be higher. At 4,997 cc (10 cylinders), 2006 BMW M6 is equipped with a bigger engine. In terms of performance, 2006 BMW M6 (500 HP @ 7750 RPM) has 285 more horse power than 2008 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2006 BMW M6 should accelerate faster than 2008 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, 2006 BMW M6 (519 Nm) has 269 more torque (in Nm) than 2008 BMW Z4. (250 Nm). This means 2006 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 2006 BMW M6 | |
| Make | BMW | BMW |
| Model | Z4 | M6 |
| Year Released | 2008 | 2006 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4997 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 500 HP |
| Engine RPM | 6500 RPM | 7750 RPM |
| Torque | 250 Nm | 519 Nm |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4880 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1380 mm |
| Wheelbase Size | 2500 mm | 2790 mm |
| Fuel Tank Capacity | 55 L | 70 L |
