1986 BMW M5 vs. 2006 BMW 545
To start off, 2006 BMW 545 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 4,396 cc (8 cylinders), 2006 BMW 545 is equipped with a bigger engine. In terms of performance, 2006 BMW 545 (328 HP @ 6100 RPM) has 110 more horse power than 1986 BMW M5. (218 HP @ 5200 RPM) In normal driving conditions, 2006 BMW 545 should accelerate faster than 1986 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 545 weights approximately 316 kg more than 1986 BMW M5. 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, 2006 BMW 545 (450 Nm @ 3600 RPM) has 140 more torque (in Nm) than 1986 BMW M5. (310 Nm @ 4000 RPM). This means 2006 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M5.
Compare all specifications:
| 1986 BMW M5 | 2006 BMW 545 | |
| Make | BMW | BMW |
| Model | M5 | 545 |
| Year Released | 1986 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3428 cc | 4396 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 218 HP | 328 HP |
| Engine RPM | 5200 RPM | 6100 RPM |
| Torque | 310 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 86 mm | 83 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1519 kg | 1835 kg |
| Vehicle Length | 4630 mm | 4850 mm |
| Vehicle Width | 1710 mm | 1850 mm |
| Vehicle Height | 1300 mm | 1380 mm |
| Wheelbase Size | 2630 mm | 2890 mm |
| Fuel Tank Capacity | 120 L | 70 L |
