2007 Alpina B5 vs. 2005 Subaru Legacy
To start off, 2007 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2005 Subaru Legacy would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 251 more horse power than 2005 Subaru Legacy. (242 HP @ 6000 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2005 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 370 kg more than 2005 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2005 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 403 more torque (in Nm) than 2005 Subaru Legacy. (297 Nm @ 4400 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Legacy. 2007 Alpina B5 has automatic transmission and 2005 Subaru Legacy has manual transmission. 2005 Subaru Legacy will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B5 | 2005 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B5 | Legacy |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2998 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 242 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 297 Nm |
| Torque RPM | 4250 RPM | 4400 RPM |
| Engine Bore Size | 92.1 mm | 89.2 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 4.8 seconds | 8.2 seconds |
| 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 | 1440 kg |
| Vehicle Length | 4850 mm | 4730 mm |
| Vehicle Width | 1850 mm | 1740 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2680 mm |
| Fuel Consumption Overall | 12.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
