1977 BMW 728 vs. 1972 BMW 520
To start off, 1977 BMW 728 is newer by 5 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 20 more horse power than 1972 BMW 520. (150 HP @ 5900 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1972 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 91 kg more than 1972 BMW 520. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 45 more torque (in Nm) than 1972 BMW 520. (190 Nm @ 4200 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1972 BMW 520.
Compare all specifications:
1977 BMW 728 | 1972 BMW 520 | |
Make | BMW | BMW |
Model | 728 | 520 |
Year Released | 1977 | 1972 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 2788 cc | 1991 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 170 HP | 150 HP |
Engine RPM | 6000 RPM | 5900 RPM |
Torque | 235 Nm | 190 Nm |
Torque RPM | 3700 RPM | 4200 RPM |
Engine Bore Size | 86 mm | 80 mm |
Engine Stroke Size | 80 mm | 66 mm |
Engine Compression Ratio | 9.0:1 | 11.0:1 |
Top Speed | 193 km/hour | 211 km/hour |
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 | 1445 kg |
Vehicle Length | 4870 mm | 4630 mm |
Vehicle Width | 1810 mm | 1700 mm |
Vehicle Height | 1440 mm | 1430 mm |
Wheelbase Size | 2800 mm | 2770 mm |
Fuel Tank Capacity | 85 L | 80 L |