2007 BMW 525 vs. 1977 BMW 728
To start off, 2007 BMW 525 is newer by 30 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 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 45 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 61 kg more than 2007 BMW 525.
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, 2007 BMW 525 (250 Nm @ 2900 RPM) has 15 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 2007 BMW 525 | 1977 BMW 728 | |
| Make | BMW | BMW |
| Model | 525 | 728 |
| Year Released | 2007 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2788 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 170 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 235 Nm |
| Torque RPM | 2900 RPM | 3700 RPM |
| Engine Bore Size | 82.1 mm | 86 mm |
| Engine Stroke Size | 78.8 mm | 80 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1536 kg |
| Vehicle Length | 4850 mm | 4870 mm |
| Vehicle Width | 1470 mm | 1810 mm |
| Vehicle Height | 1850 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Tank Capacity | 70 L | 85 L |
