2007 BMW Z4 vs. 1989 BMW 750
To start off, 2007 BMW Z4 is newer by 18 year(s). Which means there will be less support and parts availability for 1989 BMW 750. In addition, the cost of maintenance, including insurance, on 1989 BMW 750 would be higher. At 4,988 cc (12 cylinders), 1989 BMW 750 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 43 more horse power than 1989 BMW 750. (295 HP @ 5200 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1989 BMW 750. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW 750 weights approximately 315 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, 1989 BMW 750 (450 Nm @ 4100 RPM) has 85 more torque (in Nm) than 2007 BMW Z4. (365 Nm @ 4900 RPM). This means 1989 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 1989 BMW 750 has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 1989 BMW 750 | |
| Make | BMW | BMW |
| Model | Z4 | 750 |
| Year Released | 2007 | 1989 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4988 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 338 HP | 295 HP |
| Engine RPM | 7900 RPM | 5200 RPM |
| Torque | 365 Nm | 450 Nm |
| Torque RPM | 4900 RPM | 4100 RPM |
| Engine Compression Ratio | 11.5:1 | 8.8:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1800 kg |
| Vehicle Length | 4120 mm | 4920 mm |
| Vehicle Width | 1310 mm | 1850 mm |
| Vehicle Height | 1790 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption Overall | 12.1 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 70 L | 120 L |
