2007 BMW Z4 vs. 2001 BMW 730
To start off, 2007 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 BMW 730. In addition, the cost of maintenance, including insurance, on 2001 BMW 730 would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 148 more horse power than 2001 BMW 730. (190 HP @ 5300 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2001 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW 730 weights approximately 260 kg more than 2007 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, 2007 BMW Z4 (365 Nm @ 4900 RPM) has 85 more torque (in Nm) than 2001 BMW 730. (280 Nm @ 3950 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW 730.
Compare all specifications:
| 2007 BMW Z4 | 2001 BMW 730 | |
| Make | BMW | BMW |
| Model | Z4 | 730 |
| Year Released | 2007 | 2001 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 2793 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 190 HP |
| Engine RPM | 7900 RPM | 5300 RPM |
| Torque | 365 Nm | 280 Nm |
| Torque RPM | 4900 RPM | 3950 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 91 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1745 kg |
| Vehicle Length | 4120 mm | 5130 mm |
| Vehicle Width | 1790 mm | 1870 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2940 mm |
| Fuel Tank Capacity | 55 L | 90 L |
