2006 BMW 645 vs. 1986 Mercedes-Benz 500
To start off, 2006 BMW 645 is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Mercedes-Benz 500. In addition, the cost of maintenance, including insurance, on 1986 Mercedes-Benz 500 would be higher. At 4,973 cc (8 cylinders), 1986 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 83 more horse power than 1986 Mercedes-Benz 500. (245 HP @ 4750 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1986 Mercedes-Benz 500. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 144 kg more than 1986 Mercedes-Benz 500. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 51 more torque (in Nm) than 1986 Mercedes-Benz 500. (399 Nm @ 2750 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mercedes-Benz 500.
Compare all specifications:
| 2006 BMW 645 | 1986 Mercedes-Benz 500 | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | 500 |
| Year Released | 2006 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4973 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 245 HP |
| Engine RPM | 6100 RPM | 4750 RPM |
| Torque | 450 Nm | 399 Nm |
| Torque RPM | 3600 RPM | 2750 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Top Speed | 250 km/hour | 230 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1810 kg | 1666 kg |
| Vehicle Length | 4830 mm | 5140 mm |
| Vehicle Width | 1860 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 3080 mm |
| Fuel Tank Capacity | 70 L | 90 L |
