2009 BMW X5 vs. 1999 Porsche 911
To start off, 2009 BMW X5 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 182 more horse power than 2009 BMW X5. (232 HP @ 4000 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 2009 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 565 kg more than 1999 Porsche 911.
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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 39 more torque (in Nm) than 2009 BMW X5. (521 Nm @ 2000 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X5.
Compare all specifications:
| 2009 BMW X5 | 1999 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2009 | 1999 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 232 HP | 414 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 521 Nm | 560 Nm |
| Torque RPM | 2000 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 100 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Top Speed | 216 km/hour | 298 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 4.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2150 kg | 1585 kg |
| Vehicle Length | 4860 mm | 4440 mm |
| Vehicle Width | 1940 mm | 1840 mm |
| Vehicle Height | 1740 mm | 1300 mm |
| Wheelbase Size | 2940 mm | 2360 mm |
| Fuel Tank Capacity | 85 L | 64 L |
