2009 Alpina B7 vs. 2005 BMW 325
To start off, 2009 Alpina B7 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 304 more horse power than 2005 BMW 325. (189 HP @ 7400 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 465 kg more than 2005 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, 2009 Alpina B7 (700 Nm) has 462 more torque (in Nm) than 2005 BMW 325. (238 Nm). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2009 Alpina B7 | 2005 BMW 325 | |
| Make | Alpina | BMW |
| Model | B7 | 325 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2491 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 189 HP |
| Engine RPM | 5500 RPM | 7400 RPM |
| Torque | 700 Nm | 238 Nm |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.8 mm | 75 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1990 kg | 1525 kg |
| Vehicle Length | 5180 mm | 4480 mm |
| Vehicle Width | 1910 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1420 mm |
| Wheelbase Size | 3140 mm | 2730 mm |
| Fuel Consumption Overall | 12.9 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
