1977 BMW 520 vs. 1986 Porsche 911
To start off, 1986 Porsche 911 is newer by 9 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 3,164 cc (6 cylinders), 1986 Porsche 911 is equipped with a bigger engine. In terms of performance, 1986 Porsche 911 (228 HP @ 5900 RPM) has 94 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 1986 Porsche 911 should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 355 kg more than 1986 Porsche 911.
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, 1986 Porsche 911 (286 Nm @ 4800 RPM) has 6 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 1986 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520.
Compare all specifications:
| 1977 BMW 520 | 1986 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 520 | 911 |
| Year Released | 1977 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1951 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 134 HP | 228 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 280 Nm | 286 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 95 mm |
| Engine Stroke Size | 88 mm | 74.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1210 kg |
| Vehicle Length | 4780 mm | 4300 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2840 mm | 2280 mm |
| Fuel Tank Capacity | 70 L | 80 L |
