1991 BMW 525 vs. 2013 Mercedes-Benz S
To start off, 2013 Mercedes-Benz S is newer by 22 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 5,500 cc (8 cylinders), 2013 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz S (529 HP @ 5500 RPM) has 386 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM) In normal driving conditions, 2013 Mercedes-Benz S should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz S weights approximately 610 kg more than 1991 BMW 525. 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 Mercedes-Benz S (800 Nm @ 4300 RPM) has 540 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2013 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525.
Compare all specifications:
| 1991 BMW 525 | 2013 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | S |
| Year Released | 1991 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 5500 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 529 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 260 Nm | 800 Nm |
| Torque RPM | 2200 RPM | 4300 RPM |
| Engine Bore Size | 80 mm | 98 mm |
| Engine Stroke Size | 83 mm | 90 mm |
| Engine Compression Ratio | 22.0:1 | 10.0 : 1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 199 km/hour | 250 km/hour |
| Acceleration 0-100mph | 11.6 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | CVT |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2170 kg |
| Vehicle Length | 4730 mm | 5252 mm |
| Vehicle Width | 1760 mm | 2120 mm |
| Vehicle Height | 1420 mm | 1488 mm |
| Wheelbase Size | 2770 mm | 3165 mm |
