2007 BMW Z4 vs. 1987 BMW 730
To start off, 2007 BMW Z4 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 BMW 730. In addition, the cost of maintenance, including insurance, on 1987 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 1987 BMW 730. (181 HP @ 5800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1987 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW 730 weights approximately 204 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 1987 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 1987 BMW 730.
Compare all specifications:
| 2007 BMW Z4 | 1987 BMW 730 | |
| Make | BMW | BMW |
| Model | Z4 | 730 |
| Year Released | 2007 | 1987 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2986 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 261 HP | 181 HP |
| Engine RPM | 6600 RPM | 5800 RPM |
| Torque | 315 Nm | 260 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 89 mm |
| Engine Stroke Size | 88 mm | 80 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| 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 | 1398 kg | 1602 kg |
| Vehicle Length | 4230 mm | 4920 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1270 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 90 L |
