2009 BMW 635 vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW 635. In addition, the cost of maintenance, including insurance, on 2009 BMW 635 would be higher. At 3,000 cc (6 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (300 HP @ 5800 RPM) has 18 more horse power than 2009 BMW 635. (282 HP @ 4400 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 2009 BMW 635.
Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 635. In wet, icy, snow, or gravel driving conditions, 2011 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 635 (580 Nm @ 1750 RPM) has 174 more torque (in Nm) than 2011 BMW X5. (406 Nm @ 1200 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2011 BMW X5.
Compare all specifications:
| 2009 BMW 635 | 2011 BMW X5 | |
| Make | BMW | BMW |
| Model | 635 | X5 |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 300 HP |
| Engine RPM | 4400 RPM | 5800 RPM |
| Torque | 580 Nm | 406 Nm |
| Torque RPM | 1750 RPM | 1200 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4830 mm | 4857 mm |
| Vehicle Width | 1860 mm | 1933 mm |
| Vehicle Height | 1380 mm | 1776 mm |
| Wheelbase Size | 2790 mm | 2934 mm |
| Fuel Tank Capacity | 70 L | 85 L |
