2007 BMW 645 vs. 2009 BMW 330
To start off, 2009 BMW 330 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 645. In addition, the cost of maintenance, including insurance, on 2007 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 100 more horse power than 2009 BMW 330. (228 HP @ 4000 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2009 BMW 330. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 330 weights approximately 85 kg more than 2007 BMW 645.
Because 2009 BMW 330 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 645. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW 330 (501 Nm @ 1750 RPM) has 51 more torque (in Nm) than 2007 BMW 645. (450 Nm @ 3600 RPM). This means 2009 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 645.
Compare all specifications:
| 2007 BMW 645 | 2009 BMW 330 | |
| Make | BMW | BMW |
| Model | 645 | 330 |
| Year Released | 2007 | 2009 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2993 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 228 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 501 Nm |
| Torque RPM | 3600 RPM | 1750 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 245 km/hour | 238 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 6.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1775 kg |
| Vehicle Length | 4830 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2790 mm | 2770 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
