1993 BMW 520 vs. 2008 BMW 645
To start off, 2008 BMW 645 is newer by 15 year(s). Which means there will be less support and parts availability for 1993 BMW 520. In addition, the cost of maintenance, including insurance, on 1993 BMW 520 would be higher. At 4,398 cc (8 cylinders), 2008 BMW 645 is equipped with a bigger engine. In terms of performance, 2008 BMW 645 (328 HP @ 6100 RPM) has 180 more horse power than 1993 BMW 520. (148 HP @ 5900 RPM) In normal driving conditions, 2008 BMW 645 should accelerate faster than 1993 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 645 weights approximately 202 kg more than 1993 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, 2008 BMW 645 (450 Nm @ 3600 RPM) has 260 more torque (in Nm) than 1993 BMW 520. (190 Nm @ 4700 RPM). This means 2008 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1993 BMW 520.
Compare all specifications:
| 1993 BMW 520 | 2008 BMW 645 | |
| Make | BMW | BMW |
| Model | 520 | 645 |
| Year Released | 1993 | 2008 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 328 HP |
| Engine RPM | 5900 RPM | 6100 RPM |
| Torque | 190 Nm | 450 Nm |
| Torque RPM | 4700 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1488 kg | 1690 kg |
| Vehicle Length | 4730 mm | 4830 mm |
| Vehicle Width | 1760 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1380 mm |
