2003 BMW M3 vs. 2007 BMW 330
To start off, 2007 BMW 330 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 2,996 cc (6 cylinders), 2007 BMW 330 is equipped with a bigger engine. In terms of performance, 2007 BMW 330 (254 HP @ 6600 RPM) has 14 more horse power than 2003 BMW M3. (240 HP @ 6000 RPM) In normal driving conditions, 2007 BMW 330 should accelerate faster than 2003 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 330 weights approximately 273 kg more than 2003 BMW M3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 330 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW M3. In wet, icy, snow, or gravel driving conditions, 2007 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 BMW M3 | 2007 BMW 330 | |
| Make | BMW | BMW |
| Model | M3 | 330 |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 254 HP |
| Engine RPM | 6000 RPM | 6600 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 4250 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 85 mm |
| Engine Stroke Size | 85.8 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.7:1 |
| Top Speed | 220 km/hour | 250 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1442 kg | 1715 kg |
| Vehicle Length | 4440 mm | 4480 mm |
| Vehicle Width | 1720 mm | 1820 mm |
| Vehicle Height | 1340 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2770 mm |
| Fuel Tank Capacity | 65 L | 63 L |
