2005 BMW 325 vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 6 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), 2011 Alpina B7 is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (493 HP @ 5500 RPM) has 278 more horse power than 2005 BMW 325. (215 HP @ 6500 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 496 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, 2011 Alpina B7 (700 Nm @ 4250 RPM) has 450 more torque (in Nm) than 2005 BMW 325. (250 Nm @ 2750 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2011 Alpina B7 | |
| Make | BMW | Alpina |
| Model | 325 | B7 |
| Year Released | 2005 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 493 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 250 Nm | 700 Nm |
| Torque RPM | 2750 RPM | 4250 RPM |
| Engine Bore Size | 82 mm | 92 mm |
| Engine Stroke Size | 78.8 mm | 82.8 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1494 kg | 1990 kg |
| Vehicle Length | 4480 mm | 5180 mm |
| Vehicle Width | 1820 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2730 mm | 3140 mm |
| Fuel Tank Capacity | 63 L | 88 L |
