1992 BMW 730 vs. 2007 BMW Z4
To start off, 2007 BMW Z4 is newer by 15 year(s). Which means there will be less support and parts availability for 1992 BMW 730. In addition, the cost of maintenance, including insurance, on 1992 BMW 730 would be higher. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (261 HP @ 6600 RPM) has 80 more horse power than 1992 BMW 730. (181 HP @ 5800 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1992 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1992 BMW 730 weights approximately 202 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 (315 Nm @ 2750 RPM) has 55 more torque (in Nm) than 1992 BMW 730. (260 Nm @ 4000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1992 BMW 730.
Compare all specifications:
| 1992 BMW 730 | 2007 BMW Z4 | |
| Make | BMW | BMW |
| Model | 730 | Z4 |
| Year Released | 1992 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2984 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 261 HP |
| Engine RPM | 5800 RPM | 6600 RPM |
| Torque | 260 Nm | 315 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 89 mm | 85 mm |
| Engine Stroke Size | 80 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1600 kg | 1398 kg |
| Vehicle Length | 4920 mm | 4230 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2840 mm | 2500 mm |
| Fuel Tank Capacity | 90 L | 55 L |
