2009 BMW X5 vs. 2007 BMW 645
To start off, 2009 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,799 cc (8 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (350 HP @ 6300 RPM) has 22 more horse power than 2007 BMW 645. (328 HP @ 6100 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 2007 BMW 645. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 645 weights approximately 290 kg more than 2009 BMW X5.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW X5 (476 Nm @ 3400 RPM) has 26 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
2009 BMW X5 | 2007 BMW 645 | |
Make | BMW | BMW |
Model | X5 | 645 |
Year Released | 2009 | 2007 |
Body Type | SUV | Convertible |
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 | 350 HP | 328 HP |
Engine RPM | 6300 RPM | 6100 RPM |
Torque | 476 Nm | 450 Nm |
Torque RPM | 3400 RPM | 3600 RPM |
Engine Bore Size | 93 mm | 92 mm |
Engine Stroke Size | 88.3 mm | 82.7 mm |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 242 km/hour | 250 km/hour |
Acceleration 0-100mph | 6.5 seconds | 6.1 seconds |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1525 kg | 1815 kg |
Vehicle Length | 4860 mm | 4830 mm |
Vehicle Width | 1940 mm | 1860 mm |
Vehicle Height | 1740 mm | 1380 mm |
Wheelbase Size | 2940 mm | 2790 mm |
Fuel Consumption Overall | 12.5 L/100km | 13 L/100km |
Fuel Tank Capacity | 85 L | 70 L |