1973 BMW 525 vs. 2005 Mercedes-Benz C
To start off, 2005 Mercedes-Benz C is newer by 32 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 3,496 cc (6 cylinders), 2005 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz C (268 HP @ 6000 RPM) has 125 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM) In normal driving conditions, 2005 Mercedes-Benz C should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz C weights approximately 170 kg more than 1973 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, 2005 Mercedes-Benz C (350 Nm @ 2500 RPM) has 142 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 2005 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 1973 BMW 525 | 2005 Mercedes-Benz C | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | C |
| Year Released | 1973 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 143 HP | 268 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 208 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 92.9 mm |
| Engine Stroke Size | 71.6 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Top Speed | 192 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 6.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1380 kg | 1550 kg |
| Vehicle Length | 4630 mm | 4530 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2640 mm | 2720 mm |
| Fuel Tank Capacity | 70 L | 62 L |
