1973 Mercedes-Benz 450 vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Mercedes-Benz 450. In addition, the cost of maintenance, including insurance, on 1973 Mercedes-Benz 450 would be higher. At 4,519 cc (8 cylinders), 1973 Mercedes-Benz 450 is equipped with a bigger engine. In terms of performance, 1973 Mercedes-Benz 450 (225 HP @ 5000 RPM) has 10 more horse power than 2009 BMW 525. (215 HP @ 6500 RPM). In normal driving conditions, 1973 Mercedes-Benz 450 should accelerate faster than 2009 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 51 kg more than 1973 Mercedes-Benz 450.
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, 1973 Mercedes-Benz 450 (378 Nm @ 3000 RPM) has 128 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 1973 Mercedes-Benz 450 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525.
Compare all specifications:
| 1973 Mercedes-Benz 450 | 2009 BMW 525 | |
| Make | Mercedes-Benz | BMW |
| Model | 450 | 525 |
| Year Released | 1973 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4519 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 225 HP | 215 HP |
| Engine RPM | 5000 RPM | 6500 RPM |
| Torque | 378 Nm | 250 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 92 mm | 78.8 mm |
| Engine Stroke Size | 85 mm | 82 mm |
| Engine Compression Ratio | 8.8:1 | 11.0:1 |
| Top Speed | 215 km/hour | 240 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 7.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1686 kg |
| Vehicle Length | 4760 mm | 4850 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1340 mm | 1500 mm |
| Wheelbase Size | 2820 mm | 2840 mm |
| Fuel Tank Capacity | 90 L | 70 L |
