2009 BMW 635 vs. 2012 BMW 1 Series
To start off, 2012 BMW 1 Series 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 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2012 BMW 1 Series (335 HP @ 5900 RPM) has 53 more horse power than 2009 BMW 635. (282 HP @ 4400 RPM) In normal driving conditions, 2012 BMW 1 Series 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, 2009 BMW 635 (580 Nm @ 1750 RPM) has 130 more torque (in Nm) than 2012 BMW 1 Series. (450 Nm @ 1500 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2012 BMW 1 Series. 2009 BMW 635 has automatic transmission and 2012 BMW 1 Series has manual transmission. 2012 BMW 1 Series 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 1 Series | |
| Make | BMW | BMW |
| Model | 635 | 1 Series |
| Year Released | 2009 | 2012 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 335 HP |
| Engine RPM | 4400 RPM | 5900 RPM |
| Torque | 580 Nm | 450 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 89.6 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4830 mm | 4380 mm |
| Vehicle Width | 1860 mm | 1803 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2660 mm |
| Fuel Consumption Overall | 7.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
