2003 Alpina B7 vs. 2007 Subaru Legacy
To start off, 2007 Subaru Legacy 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 4,396 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 250 more horse power than 2007 Subaru Legacy. (242 HP @ 6400 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2007 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru Legacy weights approximately 10 kg more than 2003 Alpina B7.
Because 2007 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2007 Subaru Legacy 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, 2003 Alpina B7 (700 Nm @ 3000 RPM) has 390 more torque (in Nm) than 2007 Subaru Legacy. (310 Nm @ 2400 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Legacy.
Compare all specifications:
| 2003 Alpina B7 | 2007 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B7 | Legacy |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 242 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 700 Nm | 310 Nm |
| Torque RPM | 3000 RPM | 2400 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 300 km/hour | 237 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 7.1 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2000 kg | 2010 kg |
| Vehicle Length | 5040 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1740 mm |
| Vehicle Height | 1500 mm | 1420 mm |
| Wheelbase Size | 3000 mm | 2680 mm |
| Fuel Consumption Overall | 11.2 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 88 L | 64 L |
