2005 BMW X5 vs. 1987 Porsche 959
To start off, 2005 BMW X5 is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Porsche 959. In addition, the cost of maintenance, including insurance, on 1987 Porsche 959 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 1987 Porsche 959 (450 HP @ 6500 RPM) has 235 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1987 Porsche 959 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 720 kg more than 1987 Porsche 959.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 20 more torque (in Nm) than 1987 Porsche 959. (500 Nm @ 5000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1987 Porsche 959.
Compare all specifications:
| 2005 BMW X5 | 1987 Porsche 959 | |
| Make | BMW | Porsche |
| Model | X5 | 959 |
| Year Released | 2005 | 1987 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2926 cc | 2849 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 450 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 520 Nm | 500 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 95.1 mm |
| Engine Stroke Size | 90 mm | 67 mm |
| Engine Compression Ratio | 18.0:1 | 8.3:1 |
| Acceleration 0-100mph | 8.3 seconds | 3.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1450 kg |
| Vehicle Length | 4670 mm | 4270 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1720 mm | 1280 mm |
| Wheelbase Size | 2830 mm | 2270 mm |
