2005 BMW 645 vs. 1988 BMW 535
To start off, 2005 BMW 645 is newer by 17 year(s). Which means there will be less support and parts availability for 1988 BMW 535. In addition, the cost of maintenance, including insurance, on 1988 BMW 535 would be higher. At 4,392 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 115 more horse power than 1988 BMW 535. (211 HP @ 5700 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 1988 BMW 535. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 285 kg more than 1988 BMW 535. 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 141 more torque (in Nm) than 1988 BMW 535. (306 Nm @ 4000 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1988 BMW 535.
Compare all specifications:
| 2005 BMW 645 | 1988 BMW 535 | |
| Make | BMW | BMW |
| Model | 645 | 535 |
| Year Released | 2005 | 1988 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 3430 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 326 HP | 211 HP |
| Engine RPM | 6100 RPM | 5700 RPM |
| Torque | 447 Nm | 306 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 83 mm | 86 mm |
| Top Speed | 250 km/hour | 227 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1895 kg | 1610 kg |
| Vehicle Length | 4830 mm | 4730 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 80 L |
