2003 Subaru Legacy vs. 2010 Alpina B7
To start off, 2010 Alpina B7 is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 4,397 cc (8 cylinders), 2010 Alpina B7 is equipped with a bigger engine. In terms of performance, 2010 Alpina B7 (493 HP @ 5500 RPM) has 237 more horse power than 2003 Subaru Legacy. (256 HP @ 6000 RPM) In normal driving conditions, 2010 Alpina B7 should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2010 Alpina B7 weights approximately 530 kg more than 2003 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2010 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2003 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, 2010 Alpina B7 (700 Nm @ 4250 RPM) has 357 more torque (in Nm) than 2003 Subaru Legacy. (343 Nm @ 2400 RPM). This means 2010 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2003 Subaru Legacy | 2010 Alpina B7 | |
| Make | Subaru | Alpina |
| Model | Legacy | B7 |
| Year Released | 2003 | 2010 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 493 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 343 Nm | 700 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 75 mm | 82.8 mm |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1990 kg |
| Vehicle Length | 4690 mm | 5180 mm |
| Vehicle Width | 1740 mm | 1910 mm |
| Vehicle Height | 1480 mm | 1450 mm |
| Wheelbase Size | 2680 mm | 3140 mm |
| Fuel Tank Capacity | 64 L | 88 L |
