2007 Alpina B5 vs. 2003 Alpina B7
To start off, 2007 Alpina B5 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 1 more horse power than 2003 Alpina B7. (492 HP @ 5500 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2003 Alpina B7. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 278 kg more than 2007 Alpina B5.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, both vehicles can yield 700 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 Alpina B5 | 2003 Alpina B7 | |
| Make | Alpina | Alpina |
| Model | B5 | B7 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4396 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 492 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 700 Nm | 700 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 300 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 2000 kg |
| Vehicle Length | 4850 mm | 5040 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3000 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
