2008 BMW Z4 vs. 1979 BMW 728
To start off, 2008 BMW Z4 is newer by 29 year(s). Which means there will be less support and parts availability for 1979 BMW 728. In addition, the cost of maintenance, including insurance, on 1979 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 33 more horse power than 2008 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 1979 BMW 728 should accelerate faster than 2008 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 728 weights approximately 175 kg more than 2008 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1979 BMW 728 (240 Nm @ 4200 RPM) has 40 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 1979 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2008 BMW Z4 | 1979 BMW 728 | |
| Make | BMW | BMW |
| Model | Z4 | 728 |
| Year Released | 2008 | 1979 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2788 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 181 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 200 Nm | 240 Nm |
| Torque RPM | 3600 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 80 mm |
| Engine Compression Ratio | 10.5:1 | 9.3:1 |
| Top Speed | 220 km/hour | 201 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1470 kg |
| Vehicle Length | 4100 mm | 4870 mm |
| Vehicle Width | 1790 mm | 1810 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2800 mm |
| Fuel Tank Capacity | 55 L | 100 L |
