1975 BMW 520 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 29 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 3,589 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (381 HP @ 8000 RPM) has 258 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 125 kg more than 1975 BMW 520. 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, 2004 Porsche 911 (385 Nm) has 213 more torque (in Nm) than 1975 BMW 520. (172 Nm). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520.
Compare all specifications:
| 1975 BMW 520 | 2004 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 520 | 911 |
| Year Released | 1975 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1991 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 381 HP |
| Engine RPM | 5700 RPM | 8000 RPM |
| Torque | 172 Nm | 385 Nm |
| Engine Compression Ratio | 9.3:1 | 11.7:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1295 kg | 1420 kg |
| Vehicle Length | 4630 mm | 4440 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1280 mm |
| Wheelbase Size | 2640 mm | 2360 mm |
| Fuel Tank Capacity | 70 L | 89 L |
