2004 BMW 645 vs. 1975 Mercedes-Benz 600
To start off, 2004 BMW 645 is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Mercedes-Benz 600. In addition, the cost of maintenance, including insurance, on 1975 Mercedes-Benz 600 would be higher. At 6,328 cc (8 cylinders), 1975 Mercedes-Benz 600 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 75 more horse power than 1975 Mercedes-Benz 600. (247 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 1975 Mercedes-Benz 600. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mercedes-Benz 600 weights approximately 1055 kg more than 2004 BMW 645.
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, 1975 Mercedes-Benz 600 (500 Nm) has 53 more torque (in Nm) than 2004 BMW 645. (447 Nm). This means 1975 Mercedes-Benz 600 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 645.
Compare all specifications:
| 2004 BMW 645 | 1975 Mercedes-Benz 600 | |
| Make | BMW | Mercedes-Benz |
| Model | 645 | 600 |
| Year Released | 2004 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 6328 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 247 HP |
| Engine RPM | 7400 RPM | 4000 RPM |
| Torque | 447 Nm | 500 Nm |
| Engine Bore Size | 92 mm | 103 mm |
| Engine Stroke Size | 83 mm | 95 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1715 kg | 2770 kg |
| Vehicle Length | 4840 mm | 6250 mm |
| Vehicle Width | 1860 mm | 1960 mm |
| Vehicle Height | 1380 mm | 1520 mm |
| Wheelbase Size | 2790 mm | 3910 mm |
