1973 BMW 525 vs. 1990 Porsche 911
To start off, 1990 Porsche 911 is newer by 17 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 3,299 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (316 HP @ 5750 RPM) has 173 more horse power than 1973 BMW 525. (143 HP @ 6000 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 1973 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1990 Porsche 911 weights approximately 87 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, 1990 Porsche 911 (450 Nm @ 4500 RPM) has 242 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525.
Compare all specifications:
| 1973 BMW 525 | 1990 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 525 | 911 |
| Year Released | 1973 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 143 HP | 316 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 208 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 97 mm |
| Engine Stroke Size | 71.6 mm | 74.4 mm |
| Engine Compression Ratio | 9.0:1 | 7.0:1 |
| Top Speed | 192 km/hour | 270 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1467 kg |
| Vehicle Length | 4630 mm | 4260 mm |
| Vehicle Width | 1700 mm | 1760 mm |
| Vehicle Height | 1430 mm | 1310 mm |
| Wheelbase Size | 2640 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 76 L |
