1988 BMW 520 vs. 1987 BMW 750
To start off, 1988 BMW 520 is newer by 1 year(s). Which means there will be less support and parts availability for 1987 BMW 750. In addition, the cost of maintenance, including insurance, on 1987 BMW 750 would be higher. At 4,986 cc (12 cylinders), 1987 BMW 750 is equipped with a bigger engine. In terms of performance, 1987 BMW 750 (297 HP @ 5200 RPM) has 168 more horse power than 1988 BMW 520. (129 HP @ 6000 RPM) In normal driving conditions, 1987 BMW 750 should accelerate faster than 1988 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW 750 weights approximately 270 kg more than 1988 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, 1987 BMW 750 (450 Nm @ 3900 RPM) has 276 more torque (in Nm) than 1988 BMW 520. (174 Nm @ 4000 RPM). This means 1987 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 520. 1988 BMW 520 has automatic transmission and 1987 BMW 750 has manual transmission. 1987 BMW 750 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 BMW 520 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 BMW 520 | 1987 BMW 750 | |
| Make | BMW | BMW |
| Model | 520 | 750 |
| Year Released | 1988 | 1987 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 4986 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 129 HP | 297 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 174 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 66 mm | 75 mm |
| Engine Compression Ratio | 10.5:1 | 8.8:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1570 kg | 1840 kg |
| Vehicle Length | 4780 mm | 4920 mm |
| Vehicle Width | 1810 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 120 L |
