2008 BMW 550 vs. 1977 BMW 728
To start off, 2008 BMW 550 is newer by 31 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 4,800 cc (8 cylinders), 2008 BMW 550 is equipped with a bigger engine. In terms of performance, 2008 BMW 550 (360 HP @ 6300 RPM) has 190 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 550 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 550 weights approximately 194 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, 2008 BMW 550 (489 Nm @ 3400 RPM) has 254 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2008 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 2008 BMW 550 | 1977 BMW 728 | |
| Make | BMW | BMW |
| Model | 550 | 728 |
| Year Released | 2008 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4800 cc | 2788 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 360 HP | 170 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 489 Nm | 235 Nm |
| Torque RPM | 3400 RPM | 3700 RPM |
| Top Speed | 241 km/hour | 193 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1536 kg |
| Vehicle Length | 4860 mm | 4870 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Tank Capacity | 70 L | 85 L |
