2005 BMW 730 vs. 2000 BMW Z9
To start off, 2005 BMW 730 is newer by 5 year(s). Which means there will be less support and parts availability for 2000 BMW Z9. In addition, the cost of maintenance, including insurance, on 2000 BMW Z9 would be higher. At 4,398 cc (8 cylinders), 2000 BMW Z9 is equipped with a bigger engine. In terms of performance, 2000 BMW Z9 (282 HP @ 5400 RPM) has 57 more horse power than 2005 BMW 730. (225 HP @ 4000 RPM) In normal driving conditions, 2000 BMW Z9 should accelerate faster than 2005 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 730 weights approximately 289 kg more than 2000 BMW Z9.
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, 2005 BMW 730 (500 Nm @ 2000 RPM) has 60 more torque (in Nm) than 2000 BMW Z9. (440 Nm @ 3600 RPM). This means 2005 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2000 BMW Z9.
Compare all specifications:
| 2005 BMW 730 | 2000 BMW Z9 | |
| Make | BMW | BMW |
| Model | 730 | Z9 |
| Year Released | 2005 | 2000 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 225 HP | 282 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 500 Nm | 440 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 84.1 mm | 92 mm |
| Engine Stroke Size | 90 mm | 82.7 mm |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1975 kg | 1686 kg |
| Vehicle Length | 5050 mm | 4770 mm |
| Vehicle Width | 1910 mm | 1980 mm |
| Vehicle Height | 1500 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2960 mm |
