2006 BMW 645 vs. 2004 BMW 325
To start off, 2006 BMW 645 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 144 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 241 kg more than 2004 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW 645 (450 Nm) has 213 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
2006 BMW 645 | 2004 BMW 325 | |
Make | BMW | BMW |
Model | 645 | 325 |
Year Released | 2006 | 2004 |
Body Type | Convertible | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4398 cc | 2490 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 328 HP | 184 HP |
Engine RPM | 6100 RPM | 7250 RPM |
Torque | 450 Nm | 237 Nm |
Engine Bore Size | 92 mm | 84 mm |
Engine Stroke Size | 83 mm | 75 mm |
Engine Compression Ratio | 10.0:1 | 10.5:1 |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1836 kg | 1595 kg |
Vehicle Length | 4830 mm | 4480 mm |
Vehicle Width | 1860 mm | 1750 mm |
Vehicle Height | 1380 mm | 1420 mm |
Wheelbase Size | 2790 mm | 2730 mm |
Fuel Consumption Overall | 12.8 L/100km | 9.8 L/100km |
Fuel Tank Capacity | 70 L | 63 L |