2005 BMW 745 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 745. In addition, the cost of maintenance, including insurance, on 2005 BMW 745 would be higher. At 4,397 cc (8 cylinders), 2005 BMW 745 is equipped with a bigger engine. In terms of performance, 2005 BMW 745 (328 HP @ 6000 RPM) has 103 more horse power than 2006 BMW X5. (225 HP @ 5900 RPM). In normal driving conditions, 2005 BMW 745 should accelerate faster than 2006 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 745 weights approximately 110 kg more than 2006 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 745. 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, 2005 BMW 745 (450 Nm @ 3600 RPM) has 160 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 2005 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2005 BMW 745 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | 745 | X5 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2981 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 225 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 450 Nm | 290 Nm |
| Torque RPM | 3600 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1945 kg | 1835 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1880 mm |
| Vehicle Height | 1500 mm | 1770 mm |
| Wheelbase Size | 3000 mm | 2830 mm |
| Fuel Consumption | 9.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.1 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 88 L | 92 L |
