2007 BMW 320 vs. 2003 BMW 330
To start off, 2007 BMW 320 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 330. In addition, the cost of maintenance, including insurance, on 2003 BMW 330 would be higher. At 2,996 cc (6 cylinders), 2003 BMW 330 is equipped with a bigger engine. In terms of performance, 2003 BMW 330 (184 HP @ 4000 RPM) has 23 more horse power than 2007 BMW 320. (161 HP @ 4000 RPM) In normal driving conditions, 2003 BMW 330 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 330 weights approximately 315 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 330 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 320. In wet, icy, snow, or gravel driving conditions, 2003 BMW 330 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, 2003 BMW 330 (410 Nm @ 1500 RPM) has 70 more torque (in Nm) than 2007 BMW 320. (340 Nm @ 2000 RPM). This means 2003 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320. 2003 BMW 330 has automatic transmission and 2007 BMW 320 has manual transmission. 2007 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 330 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 320 | 2003 BMW 330 | |
| Make | BMW | BMW |
| Model | 320 | 330 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 184 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 340 Nm | 410 Nm |
| Torque RPM | 2000 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1805 kg |
| Vehicle Length | 4490 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Tank Capacity | 61 L | 63 L |
