2009 BMW 320 vs. 2007 BMW 330
To start off, 2009 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 330. In addition, the cost of maintenance, including insurance, on 2007 BMW 330 would be higher. At 2,993 cc (6 cylinders), 2007 BMW 330 is equipped with a bigger engine. In terms of performance, 2007 BMW 330 (215 HP @ 4000 RPM) has 74 more horse power than 2009 BMW 320. (141 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 330 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 330 weights approximately 220 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.
Let's talk about torque, 2007 BMW 330 (480 Nm @ 1750 RPM) has 290 more torque (in Nm) than 2009 BMW 320. (190 Nm @ 4250 RPM). This means 2007 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2007 BMW 330 | |
| Make | BMW | BMW |
| Model | 320 | 330 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 141 HP | 215 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 190 Nm | 480 Nm |
| Torque RPM | 4250 RPM | 1750 RPM |
| Engine Compression Ratio | 12.0:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1540 kg |
| Vehicle Length | 4540 mm | 4530 mm |
| Vehicle Width | 1820 mm | 1430 mm |
| Vehicle Height | 1430 mm | 1820 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 10.6 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
