1986 BMW 735 vs. 2002 BMW 520
To start off, 2002 BMW 520 is newer by 16 year(s). Which means there will be less support and parts availability for 1986 BMW 735. In addition, the cost of maintenance, including insurance, on 1986 BMW 735 would be higher. At 3,430 cc (6 cylinders), 1986 BMW 735 is equipped with a bigger engine. In terms of performance, 1986 BMW 735 (220 HP @ 5700 RPM) has 52 more horse power than 2002 BMW 520. (168 HP @ 5900 RPM). In normal driving conditions, 1986 BMW 735 should accelerate faster than 2002 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW 520 weights approximately 80 kg more than 1986 BMW 735.
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, 1986 BMW 735 (315 Nm @ 4000 RPM) has 105 more torque (in Nm) than 2002 BMW 520. (210 Nm @ 3500 RPM). This means 1986 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW 520.
Compare all specifications:
| 1986 BMW 735 | 2002 BMW 520 | |
| Make | BMW | BMW |
| Model | 735 | 520 |
| Year Released | 1986 | 2002 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3430 cc | 2170 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 220 HP | 168 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 315 Nm | 210 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 80 mm |
| Engine Stroke Size | 86 mm | 72 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1590 kg | 1670 kg |
| Vehicle Length | 4920 mm | 4810 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Tank Capacity | 70 L | 70 L |
