1986 BMW M5 vs. 2009 BMW X5
To start off, 2009 BMW X5 is newer by 23 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, 2009 BMW X5 (268 HP @ 6650 RPM) has 50 more horse power than 1986 BMW M5. (218 HP @ 5200 RPM) In normal driving conditions, 2009 BMW X5 should accelerate faster than 1986 BMW M5. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 611 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.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1986 BMW M5. In wet, icy, snow, or gravel driving conditions, 2009 BMW X5 will offer significantly more control. 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, 2009 BMW X5 (315 Nm @ 2750 RPM) has 5 more torque (in Nm) than 1986 BMW M5. (310 Nm @ 4000 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M5.
Compare all specifications:
| 1986 BMW M5 | 2009 BMW X5 | |
| Make | BMW | BMW |
| Model | M5 | X5 |
| Year Released | 1986 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3428 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 218 HP | 268 HP |
| Engine RPM | 5200 RPM | 6650 RPM |
| Torque | 310 Nm | 315 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Engine Bore Size | 92 mm | 85 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1519 kg | 2130 kg |
| Vehicle Length | 4630 mm | 4860 mm |
| Vehicle Width | 1710 mm | 1940 mm |
| Vehicle Height | 1300 mm | 1750 mm |
| Wheelbase Size | 2630 mm | 2940 mm |
| Fuel Tank Capacity | 120 L | 85 L |
