2009 Alpina B7 vs. 2007 Subaru Legacy
To start off, 2009 Alpina B7 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2007 Subaru Legacy would be higher. At 4,397 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 250 more horse power than 2007 Subaru Legacy. (243 HP @ 6000 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2007 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 441 kg more than 2007 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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, 2007 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 373 more torque (in Nm) than 2007 Subaru Legacy. (327 Nm @ 3600 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru Legacy. 2009 Alpina B7 has automatic transmission and 2007 Subaru Legacy has manual transmission. 2007 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 | 2007 Subaru Legacy | |
| Make | Alpina | Subaru |
| Model | B7 | Legacy |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1992 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Horse Power | 493 HP | 243 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 327 Nm |
| Torque RPM | 4250 RPM | 3600 RPM |
| Engine Compression Ratio | 9.0:1 | 8.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1990 kg | 1549 kg |
| Vehicle Length | 5180 mm | 4740 mm |
| Vehicle Width | 1910 mm | 1740 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 3140 mm | 2680 mm |
| Fuel Tank Capacity | 88 L | 64 L |
