2009 Alpina B7 vs. 2003 Subaru Legacy
To start off, 2009 Alpina B7 is newer by 6 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 4,396 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 331 more horse power than 2003 Subaru Legacy. (162 HP @ 5600 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 598 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 2009 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, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 474 more torque (in Nm) than 2003 Subaru Legacy. (226 Nm @ 4400 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy. 2009 Alpina B7 has automatic transmission and 2003 Subaru Legacy has manual transmission. 2003 Subaru Legacy will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina B7 | 2003 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B7 | Legacy |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2457 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 162 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 700 Nm | 226 Nm |
| Torque RPM | 4250 RPM | 4400 RPM |
| Engine Bore Size | 92 mm | 99.5 mm |
| Engine Stroke Size | 82.7 mm | 79 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Top Speed | 300 km/hour | 214 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1960 kg | 1362 kg |
| Vehicle Length | 5050 mm | 4670 mm |
| Vehicle Width | 1910 mm | 1740 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 3000 mm | 2680 mm |
| Fuel Consumption Overall | 12.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 88 L | 64 L |
