2008 BMW X5 vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 4 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 4,797 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (355 HP @ 6200 RPM) has 44 more horse power than 2012 BMW 640. (311 HP @ 4400 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 2012 BMW 640. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 265 kg more than 2012 BMW 640. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 640. In wet, icy, snow, or gravel driving conditions, 2008 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, 2012 BMW 640 (630 Nm @ 1500 RPM) has 140 more torque (in Nm) than 2008 BMW X5. (490 Nm @ 3600 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5.
Compare all specifications:
| 2008 BMW X5 | 2012 BMW 640 | |
| Make | BMW | BMW |
| Model | X5 | 640 |
| Year Released | 2008 | 2012 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 355 HP | 311 HP |
| Engine RPM | 6200 RPM | 4400 RPM |
| Torque | 490 Nm | 630 Nm |
| Torque RPM | 3600 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 88.3 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 246 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 5.6 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1935 kg |
| Vehicle Length | 4670 mm | 4894 mm |
| Vehicle Width | 1880 mm | 1894 mm |
| Vehicle Height | 1710 mm | 1365 mm |
| Wheelbase Size | 2830 mm | 2855 mm |
| Fuel Consumption Overall | 13.5 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
