2009 BMW 320 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 4 year(s). Which means there will be less support and parts availability for 2009 BMW 320. In addition, the cost of maintenance, including insurance, on 2009 BMW 320 would be higher. At 2,979 cc (6 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (311 HP @ 6000 RPM) has 136 more horse power than 2009 BMW 320. (175 HP @ 4000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 430 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, 2013 BMW 6 series (447 Nm @ 4500 RPM) has 96 more torque (in Nm) than 2009 BMW 320. (351 Nm @ 1750 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 320 | 6 series |
| Year Released | 2009 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 311 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 351 Nm | 447 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1815 kg |
| Vehicle Length | 4540 mm | 4897 mm |
| Vehicle Width | 2000 mm | 1895 mm |
| Vehicle Height | 1430 mm | 1369 mm |
| Wheelbase Size | 2770 mm | 2856 mm |
| Fuel Tank Capacity | 63 L | 70 L |
