2005 Alpina B3 vs. 2003 Subaru Legacy
To start off, 2005 Alpina B3 is newer by 2 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 3,346 cc (6 cylinders), 2005 Alpina B3 is equipped with a bigger engine. In terms of performance, 2005 Alpina B3 (301 HP @ 6300 RPM) has 54 more horse power than 2003 Subaru Legacy. (247 HP @ 6600 RPM). In normal driving conditions, 2005 Alpina B3 should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2003 Subaru Legacy weights approximately 30 kg more than 2005 Alpina B3.
Because 2003 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina B3. 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, 2005 Alpina B3 (362 Nm @ 4800 RPM) has 58 more torque (in Nm) than 2003 Subaru Legacy. (304 Nm @ 4200 RPM). This means 2005 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2005 Alpina B3 | 2003 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B3 | Legacy |
| Year Released | 2005 | 2003 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 247 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 362 Nm | 304 Nm |
| Torque RPM | 4800 RPM | 4200 RPM |
| Engine Bore Size | 87 mm | 89.2 mm |
| Engine Stroke Size | 93.8 mm | 80 mm |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1480 kg |
| Vehicle Length | 4480 mm | 4690 mm |
| Vehicle Width | 1760 mm | 1740 mm |
| Vehicle Height | 1400 mm | 1480 mm |
| Wheelbase Size | 2730 mm | 2680 mm |
| Fuel Tank Capacity | 63 L | 64 L |
