2006 Alpina B5 vs. 2004 BMW 325
To start off, 2006 Alpina B5 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 4,396 cc (8 cylinders), 2006 Alpina B5 is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 308 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2004 BMW 325.
Let's talk about torque, 2006 Alpina B5 (700 Nm) has 463 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2006 Alpina B5 | 2004 BMW 325 | |
| Make | Alpina | BMW |
| Model | B5 | 325 |
| Year Released | 2006 | 2004 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 184 HP |
| Engine RPM | 5500 RPM | 7250 RPM |
| Torque | 700 Nm | 237 Nm |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4850 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
