2004 BMW 630 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 630. In addition, the cost of maintenance, including insurance, on 2004 BMW 630 would be higher. At 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 65 more horse power than 2006 BMW 325. (189 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 2006 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 126 kg more than 2006 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 630. In wet, icy, snow, or gravel driving conditions, 2006 BMW 325 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, 2004 BMW 630 (300 Nm @ 2500 RPM) has 55 more torque (in Nm) than 2006 BMW 325. (245 Nm @ 3500 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325.
Compare all specifications:
| 2004 BMW 630 | 2006 BMW 325 | |
| Make | BMW | BMW |
| Model | 630 | 325 |
| Year Released | 2004 | 2006 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 189 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 300 Nm | 245 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 84 mm |
| Engine Stroke Size | 88 mm | 75 mm |
| Engine Compression Ratio | 10.7:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 231 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 7.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1776 kg | 1650 kg |
| Vehicle Length | 4830 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1750 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Consumption Overall | 9.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
