2006 BMW 525 vs. 1986 BMW M5
To start off, 2006 BMW 525 is newer by 20 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 3,428 cc (6 cylinders), 1986 BMW M5 is equipped with a bigger engine. In terms of performance, 1986 BMW M5 (218 HP @ 5200 RPM) has 3 more horse power than 2006 BMW 525. (215 HP @ 6250 RPM) In normal driving conditions, 1986 BMW M5 should accelerate faster than 2006 BMW 525.
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 M5 (310 Nm @ 4000 RPM) has 59 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 1986 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 1986 BMW M5 | |
| Make | BMW | BMW |
| Model | 525 | M5 |
| Year Released | 2006 | 1986 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 3428 cc |
| Horse Power | 215 HP | 218 HP |
| Engine RPM | 6250 RPM | 5200 RPM |
| Torque | 251 Nm | 310 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4860 mm | 4630 mm |
| Vehicle Width | 1850 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 120 L |
