2009 BMW 635 vs. 2012 BMW 650
To start off, 2012 BMW 650 is newer by 3 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 4,400 cc (8 cylinders), 2012 BMW 650 is equipped with a bigger engine. In terms of performance, 2012 BMW 650 (400 HP @ 5500 RPM) has 118 more horse power than 2009 BMW 635. (282 HP @ 4400 RPM) In normal driving conditions, 2012 BMW 650 should accelerate faster than 2009 BMW 635.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 650 (609 Nm @ 1750 RPM) has 29 more torque (in Nm) than 2009 BMW 635. (580 Nm @ 1750 RPM). This means 2012 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 635. 2009 BMW 635 has automatic transmission and 2012 BMW 650 has manual transmission. 2012 BMW 650 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 635 | 2012 BMW 650 | |
| Make | BMW | BMW |
| Model | 635 | 650 |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 400 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 580 Nm | 609 Nm |
| Torque RPM | 1750 RPM | 1750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4830 mm | 4894 mm |
| Vehicle Width | 1860 mm | 1894 mm |
| Vehicle Height | 1380 mm | 1369 mm |
| Wheelbase Size | 2790 mm | 2855 mm |
| Fuel Tank Capacity | 70 L | 70 L |
