2009 Alpina B5 vs. 2003 Subaru Legacy
To start off, 2009 Alpina B5 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 4,397 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 306 more horse power than 2003 Subaru Legacy. (187 HP @ 7100 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2003 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B5 weights approximately 470 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 B5. 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 B5 (700 Nm @ 4250 RPM) has 504 more torque (in Nm) than 2003 Subaru Legacy. (196 Nm @ 4400 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy. 2009 Alpina B5 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 B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alpina B5 | 2003 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B5 | Legacy |
| Year Released | 2009 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 187 HP |
| Engine RPM | 5500 RPM | 7100 RPM |
| Torque | 700 Nm | 196 Nm |
| Torque RPM | 4250 RPM | 4400 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Engine Compression Ratio | 9.0:1 | 11.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1810 kg | 1340 kg |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2680 mm |
| Fuel Tank Capacity | 70 L | 64 L |
