1986 BMW 730 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 22 year(s). Which means there will be less support and parts availability for 1986 BMW 730. In addition, the cost of maintenance, including insurance, on 1986 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (215 HP @ 6500 RPM) has 18 more horse power than 1986 BMW 730. (197 HP @ 5800 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 1986 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 240 kg more than 2008 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, 1986 BMW 730 (275 Nm @ 4000 RPM) has 25 more torque (in Nm) than 2008 BMW Z4. (250 Nm @ 2750 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 1986 BMW 730 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | 730 | Z4 |
| Year Released | 1986 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 215 HP |
| Engine RPM | 5800 RPM | 6500 RPM |
| Torque | 275 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 89 mm | 82 mm |
| Engine Stroke Size | 80 mm | 78.8 mm |
| Engine Compression Ratio | 9.2:1 | 11.0:1 |
| Top Speed | 225 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 7 seconds |
| 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 | 1360 kg |
| Vehicle Length | 4920 mm | 4100 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
