2009 BMW Z4 vs. 2007 BMW 750
To start off, 2009 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 750. In addition, the cost of maintenance, including insurance, on 2007 BMW 750 would be higher. At 4,799 cc (8 cylinders), 2007 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW 750 (362 HP @ 6300 RPM) has 147 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2007 BMW 750 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 750 weights approximately 660 kg more than 2009 BMW Z4. 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, 2007 BMW 750 (490 Nm @ 3400 RPM) has 240 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 2007 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2007 BMW 750 | |
| Make | BMW | BMW |
| Model | Z4 | 750 |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 362 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 250 Nm | 490 Nm |
| Torque RPM | 2000 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 227 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1290 kg | 1950 kg |
| Vehicle Length | 4100 mm | 5190 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1310 mm | 1490 mm |
| Wheelbase Size | 2500 mm | 3130 mm |
| Fuel Consumption Overall | 9.7 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
