1988 BMW 525 vs. 2007 BMW 650
To start off, 2007 BMW 650 is newer by 19 year(s). Which means there will be less support and parts availability for 1988 BMW 525. In addition, the cost of maintenance, including insurance, on 1988 BMW 525 would be higher. At 4,798 cc (8 cylinders), 2007 BMW 650 is equipped with a bigger engine. In terms of performance, 2007 BMW 650 (362 HP @ 6300 RPM) has 197 more horse power than 1988 BMW 525. (165 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 650 should accelerate faster than 1988 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 650 weights approximately 65 kg more than 1988 BMW 525. 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, 2007 BMW 650 (490 Nm @ 3400 RPM) has 251 more torque (in Nm) than 1988 BMW 525. (239 Nm @ 4300 RPM). This means 2007 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 525. 2007 BMW 650 has automatic transmission and 1988 BMW 525 has manual transmission. 1988 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 650 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 BMW 525 | 2007 BMW 650 | |
| Make | BMW | BMW |
| Model | 525 | 650 |
| Year Released | 1988 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4798 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 165 HP | 362 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 239 Nm | 490 Nm |
| Torque RPM | 4300 RPM | 3400 RPM |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Top Speed | 214 km/hour | 250 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1640 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1380 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2630 mm | 2790 mm |
| Fuel Tank Capacity | 80 L | 70 L |
