1990 BMW 525 vs. 2009 BMW 650
To start off, 2009 BMW 650 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 BMW 525. In addition, the cost of maintenance, including insurance, on 1990 BMW 525 would be higher. At 4,799 cc (8 cylinders), 2009 BMW 650 is equipped with a bigger engine. In terms of performance, 2009 BMW 650 (361 HP @ 6300 RPM) has 176 more horse power than 1990 BMW 525. (185 HP @ 5900 RPM) In normal driving conditions, 2009 BMW 650 should accelerate faster than 1990 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1990 BMW 525 weights approximately 50 kg more than 2009 BMW 650.
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, 2009 BMW 650 (488 Nm @ 3400 RPM) has 248 more torque (in Nm) than 1990 BMW 525. (240 Nm @ 4700 RPM). This means 2009 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW 525.
Compare all specifications:
| 1990 BMW 525 | 2009 BMW 650 | |
| Make | BMW | BMW |
| Model | 525 | 650 |
| Year Released | 1990 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 361 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 240 Nm | 488 Nm |
| Torque RPM | 4700 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 75 mm | 88.3 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Top Speed | 224 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1525 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1380 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 2790 mm |
