1991 Mercedes-Benz 600 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 21 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 600. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 600 would be higher. At 5,987 cc (12 cylinders), 1991 Mercedes-Benz 600 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 600 (408 HP @ 5200 RPM) has 90 more horse power than 2012 BMW 640. (318 HP @ 5800 RPM). In normal driving conditions, 1991 Mercedes-Benz 600 should accelerate faster than 2012 BMW 640. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 600 weights approximately 405 kg more than 2012 BMW 640. 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, 1991 Mercedes-Benz 600 (580 Nm @ 3800 RPM) has 130 more torque (in Nm) than 2012 BMW 640. (450 Nm @ 1300 RPM). This means 1991 Mercedes-Benz 600 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW 640.
Compare all specifications:
| 1991 Mercedes-Benz 600 | 2012 BMW 640 | |
| Make | Mercedes-Benz | BMW |
| Model | 600 | 640 |
| Year Released | 1991 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 5987 cc | 2979 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 408 HP | 318 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 580 Nm | 450 Nm |
| Torque RPM | 3800 RPM | 1300 RPM |
| Engine Bore Size | 89.1 mm | 89.6 mm |
| Engine Stroke Size | 80.2 mm | 84 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2230 kg | 1825 kg |
| Vehicle Length | 5220 mm | 5007 mm |
| Vehicle Width | 1890 mm | 1894 mm |
| Vehicle Height | 1500 mm | 1392 mm |
| Wheelbase Size | 3150 mm | 2968 mm |
| Fuel Tank Capacity | 100 L | 70 L |
