1977 BMW 728 vs. 1999 BMW 540
To start off, 1999 BMW 540 is newer by 22 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 4,398 cc (8 cylinders), 1999 BMW 540 is equipped with a bigger engine. In terms of performance, 1999 BMW 540 (282 HP @ 7400 RPM) has 112 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 1999 BMW 540 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 540 weights approximately 235 kg more than 1977 BMW 728. 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, 1999 BMW 540 (439 Nm) has 204 more torque (in Nm) than 1977 BMW 728. (235 Nm). This means 1999 BMW 540 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 1977 BMW 728 | 1999 BMW 540 | |
| Make | BMW | BMW |
| Model | 728 | 540 |
| Year Released | 1977 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 170 HP | 282 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 235 Nm | 439 Nm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 1771 kg |
| Vehicle Length | 4870 mm | 4780 mm |
| Vehicle Width | 1810 mm | 1810 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
