1986 BMW M5 vs. 1989 Porsche 911
To start off, 1989 Porsche 911 is newer by 3 year(s). Which means there will be less support and parts availability for 1986 BMW M5. In addition, the cost of maintenance, including insurance, on 1986 BMW M5 would be higher. At 3,600 cc (6 cylinders), 1989 Porsche 911 is equipped with a bigger engine. In terms of performance, 1989 Porsche 911 (247 HP @ 6100 RPM) has 29 more horse power than 1986 BMW M5. (218 HP @ 5200 RPM) In normal driving conditions, 1989 Porsche 911 should accelerate faster than 1986 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW M5 weights approximately 184 kg more than 1989 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, 1989 Porsche 911 (317 Nm @ 4800 RPM) has 7 more torque (in Nm) than 1986 BMW M5. (310 Nm @ 4000 RPM). This means 1989 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M5. 1986 BMW M5 has automatic transmission and 1989 Porsche 911 has manual transmission. 1989 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 BMW M5 | 1989 Porsche 911 | |
| Make | BMW | Porsche |
| Model | M5 | 911 |
| Year Released | 1986 | 1989 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3428 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 218 HP | 247 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 310 Nm | 317 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 86 mm | 76.4 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1519 kg | 1335 kg |
| Vehicle Length | 4630 mm | 4260 mm |
| Vehicle Width | 1710 mm | 1660 mm |
| Vehicle Height | 1300 mm | 1330 mm |
| Wheelbase Size | 2630 mm | 2410 mm |
| Fuel Tank Capacity | 120 L | 77 L |
