1991 Mercedes-Benz 400 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 22 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 5,972 cc (12 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (528 HP @ 5250 RPM) has 242 more horse power than 1991 Mercedes-Benz 400. (286 HP @ 5700 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1991 Mercedes-Benz 400. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 271 kg more than 1991 Mercedes-Benz 400. 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, 2013 BMW 7 Series (746 Nm @ 5000 RPM) has 336 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 400.
Compare all specifications:
| 1991 Mercedes-Benz 400 | 2013 BMW 7 Series | |
| Make | Mercedes-Benz | BMW |
| Model | 400 | 7 Series |
| Year Released | 1991 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 4196 cc | 5972 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Horse Power | 286 HP | 528 HP |
| Engine RPM | 5700 RPM | 5250 RPM |
| Torque | 410 Nm | 746 Nm |
| Torque RPM | 3900 RPM | 5000 RPM |
| Engine Bore Size | 92 mm | 89 mm |
| Engine Stroke Size | 78.9 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 10.0 :1 |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.6 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2004 kg | 2275 kg |
| Vehicle Length | 5220 mm | 5214 mm |
| Vehicle Width | 1890 mm | 2134 mm |
| Vehicle Height | 1500 mm | 1481 mm |
| Wheelbase Size | 3150 mm | 3210 mm |
