2008 Alpina B7 vs. 2005 BMW 325
To start off, 2008 Alpina B7 is newer by 3 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 4,398 cc (8 cylinders), 2008 Alpina B7 is equipped with a bigger engine. In terms of performance, 2008 Alpina B7 (493 HP @ 5500 RPM) has 309 more horse power than 2005 BMW 325. (184 HP @ 6000 RPM). In normal driving conditions, 2008 Alpina B7 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alpina B7 weights approximately 275 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.
Because 2005 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2005 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, 2008 Alpina B7 (700 Nm @ 4250 RPM) has 455 more torque (in Nm) than 2005 BMW 325. (245 Nm @ 3500 RPM). This means 2008 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2008 Alpina B7 | 2005 BMW 325 | |
| Make | Alpina | BMW |
| Model | B7 | 325 |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 184 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 245 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84.1 mm |
| Engine Stroke Size | 82.8 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5 seconds | 7.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1990 kg | 1715 kg |
| Vehicle Length | 5180 mm | 4480 mm |
| Vehicle Width | 1910 mm | 1750 mm |
| Vehicle Height | 1450 mm | 1440 mm |
| Wheelbase Size | 3140 mm | 2730 mm |
| Fuel Consumption Overall | 12.9 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 88 L | 63 L |
