2009 BMW 330 vs. 2006 BMW 320
To start off, 2009 BMW 330 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 320. In addition, the cost of maintenance, including insurance, on 2006 BMW 320 would be higher. At 2,991 cc (6 cylinders), 2009 BMW 330 is equipped with a bigger engine. In terms of performance, 2009 BMW 330 (228 HP @ 4000 RPM) has 60 more horse power than 2006 BMW 320. (168 HP @ 6100 RPM). In normal driving conditions, 2009 BMW 330 should accelerate faster than 2006 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 330 weights approximately 80 kg more than 2006 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 330 (500 Nm @ 1750 RPM) has 290 more torque (in Nm) than 2006 BMW 320. (210 Nm @ 3500 RPM). This means 2009 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 320.
Compare all specifications:
| 2009 BMW 330 | 2006 BMW 320 | |
| Make | BMW | BMW |
| Model | 330 | 320 |
| Year Released | 2009 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 168 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 500 Nm | 210 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 80.1 mm |
| Engine Stroke Size | 90 mm | 72 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 6.6 seconds | 8.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1520 kg |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Consumption Overall | 6.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 61 L | 63 L |
