2006 BMW X5 vs. 1971 Porsche 917
To start off, 2006 BMW X5 is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Porsche 917. In addition, the cost of maintenance, including insurance, on 1971 Porsche 917 would be higher. At 4,994 cc, 1971 Porsche 917 is equipped with a bigger engine. In terms of performance, 1971 Porsche 917 (520 HP) has 295 more horse power than 2006 BMW X5. (225 HP) In normal driving conditions, 1971 Porsche 917 should accelerate faster than 2006 BMW X5.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Porsche 917. In wet, icy, snow, or gravel driving conditions, 2006 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, 1971 Porsche 917 (610 Nm) has 320 more torque (in Nm) than 2006 BMW X5. (290 Nm). This means 1971 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 1971 Porsche 917 | |
| Make | BMW | Porsche |
| Model | X5 | 917 |
| Year Released | 2006 | 1971 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2981 cc | 4994 cc |
| Horse Power | 225 HP | 520 HP |
| Torque | 290 Nm | 610 Nm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
