1986 BMW 735 vs. 1981 Porsche 911
To start off, 1986 BMW 735 is newer by 5 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,430 cc (6 cylinders), 1986 BMW 735 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 12 more horse power than 1986 BMW 735. (220 HP @ 5700 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1986 BMW 735. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 735 weights approximately 330 kg more than 1981 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 BMW 735 (315 Nm @ 4000 RPM) has 31 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 1986 BMW 735 will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 1986 BMW 735 | 1981 Porsche 911 | |
| Make | BMW | Porsche |
| Model | 735 | 911 |
| Year Released | 1986 | 1981 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3430 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 220 HP | 232 HP |
| Engine RPM | 5700 RPM | 5900 RPM |
| Torque | 315 Nm | 284 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 95 mm |
| Engine Stroke Size | 86 mm | 74.4 mm |
| Engine Compression Ratio | 9.2:1 | 10.3:1 |
| Top Speed | 238 km/hour | 246 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1590 kg | 1260 kg |
| Vehicle Length | 4920 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2840 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 80 L |
