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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 269 more horse power than 2009 BMW 320. (168 HP @ 6100 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 569 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.
Because 2013 BMW 6 series is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 320. In wet, icy, snow, or gravel driving conditions, 2013 BMW 6 series 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, 2013 BMW 6 series (649 Nm @ 4500 RPM) has 439 more torque (in Nm) than 2009 BMW 320. (210 Nm @ 3500 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320. 2013 BMW 6 series has automatic transmission and 2009 BMW 320 has manual transmission. 2009 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 6 series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 320 | 2013 BMW 6 series | |
| Make | BMW | BMW |
| Model | 320 | 6 series |
| Year Released | 2009 | 2013 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 437 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 210 Nm | 649 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 89 mm |
| Engine Stroke Size | 72 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 224 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 4.5 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1520 kg | 2089 kg |
| Vehicle Length | 4480 mm | 5009 mm |
| Vehicle Width | 1750 mm | 2081 mm |
| Vehicle Height | 1420 mm | 1392 mm |
| Wheelbase Size | 2730 mm | 2968 mm |
| Fuel Tank Capacity | 63 L | 70 L |
