2006 BMW 750 vs. 2003 BMW X5
To start off, 2006 BMW 750 is newer by 3 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 4,799 cc (8 cylinders), 2006 BMW 750 is equipped with a bigger engine. In terms of performance, 2006 BMW 750 (362 HP @ 6300 RPM) has 24 more horse power than 2003 BMW X5. (338 HP @ 6100 RPM). In normal driving conditions, 2006 BMW 750 should accelerate faster than 2003 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 245 kg more than 2006 BMW 750.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 750. 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, 2006 BMW 750 (491 Nm @ 3400 RPM) has 91 more torque (in Nm) than 2003 BMW X5. (400 Nm @ 3700 RPM). This means 2006 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X5.
Compare all specifications:
| 2006 BMW 750 | 2003 BMW X5 | |
| Make | BMW | BMW |
| Model | 750 | X5 |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 338 HP |
| Engine RPM | 6300 RPM | 6100 RPM |
| Torque | 491 Nm | 400 Nm |
| Torque RPM | 3400 RPM | 3700 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 88.3 mm | 82.7 mm |
| Top Speed | 250 km/hour | 240 km/hour |
| Acceleration 0-100mph | 6 seconds | 7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1950 kg | 2195 kg |
| Vehicle Length | 5190 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1490 mm | 1720 mm |
| Wheelbase Size | 3130 mm | 2730 mm |
| Fuel Consumption City | 16.9 L/100km | 18.3 L/100km |
| Fuel Consumption Overall | 11.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 90 L | 93 L |
