2007 Alpina B5 vs. 2007 Subaru B9 Tribeca
To start off, both 2007 Alpina B5 and 2007 Subaru B9 Tribeca were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 2007 Subaru B9 Tribeca. (242 HP @ 6600 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2007 Subaru B9 Tribeca. With that said, vehicle weight also plays an important factor in acceleration. 2007 Subaru B9 Tribeca weights approximately 278 kg more than 2007 Alpina B5.
Because 2007 Subaru B9 Tribeca 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, 2007 Subaru B9 Tribeca 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 402 more torque (in Nm) than 2007 Subaru B9 Tribeca. (298 Nm @ 4200 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Subaru B9 Tribeca.
Compare all specifications:
| 2007 Alpina B5 | 2007 Subaru B9 Tribeca | |
| Make | Alpina | Subaru |
| Model | B5 | B9 Tribeca |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2999 cc |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 242 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 700 Nm | 298 Nm |
| Torque RPM | 4250 RPM | 4200 RPM |
| Engine Bore Size | 92 mm | 89.2 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 195 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 9.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1722 kg | 2000 kg |
| Vehicle Length | 4850 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1690 mm |
| Wheelbase Size | 2890 mm | 2760 mm |
| Fuel Consumption Overall | 12.3 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
