2003 BMW X5 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (409 HP @ 7600 RPM) has 71 more horse power than 2003 BMW X5. (338 HP @ 6100 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 809 kg more than 2007 Porsche 911.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2003 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, 2007 Porsche 911 (405 Nm @ 5500 RPM) has 5 more torque (in Nm) than 2003 BMW X5. (400 Nm @ 3700 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X5. 2003 BMW X5 has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW X5 | 2007 Porsche 911 | |
| Make | BMW | Porsche |
| Model | X5 | 911 |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4398 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 409 HP |
| Engine RPM | 6100 RPM | 7600 RPM |
| Torque | 400 Nm | 405 Nm |
| Torque RPM | 3700 RPM | 5500 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 82.7 mm | 76.4 mm |
| Engine Compression Ratio | 10.0:1 | 11.7:1 |
| Top Speed | 240 km/hour | 306 km/hour |
| Acceleration 0-100mph | 7 seconds | 4.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2195 kg | 1386 kg |
| Vehicle Length | 4670 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1780 mm |
| Vehicle Height | 1720 mm | 1280 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Consumption Overall | 13.3 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 93 L | 89 L |
