2009 BMW 635 vs. 2009 BMW 320
To start off, both 2009 BMW 635 and 2009 BMW 320 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,993 cc (6 cylinders), 2009 BMW 635 is equipped with a bigger engine. In terms of performance, 2009 BMW 635 (282 HP @ 4400 RPM) has 134 more horse power than 2009 BMW 320. (148 HP @ 4000 RPM). In normal driving conditions, 2009 BMW 635 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 635 weights approximately 145 kg more than 2009 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (581 Nm @ 1750 RPM) has 250 more torque (in Nm) than 2009 BMW 320. (331 Nm @ 2000 RPM). This means 2009 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 635 | 2009 BMW 320 | |
| Make | BMW | BMW |
| Model | 635 | 320 |
| Year Released | 2009 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 148 HP |
| Engine RPM | 4400 RPM | 4000 RPM |
| Torque | 581 Nm | 331 Nm |
| Torque RPM | 1750 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 216 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 9.2 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1725 kg | 1580 kg |
| Vehicle Length | 4830 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2730 mm |
| Fuel Consumption Overall | 7.2 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
