2007 Alpina B5 vs. 2009 Saab 9-7X
To start off, 2009 Saab 9-7X is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 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 202 more horse power than 2009 Saab 9-7X. (291 HP @ 6000 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2009 Saab 9-7X. With that said, vehicle weight also plays an important factor in acceleration. 2009 Saab 9-7X weights approximately 419 kg more than 2007 Alpina B5.
Because 2009 Saab 9-7X 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, 2009 Saab 9-7X 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 324 more torque (in Nm) than 2009 Saab 9-7X. (376 Nm @ 4800 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Saab 9-7X.
Compare all specifications:
| 2007 Alpina B5 | 2009 Saab 9-7X | |
| Make | Alpina | Saab |
| Model | B5 | 9-7X |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4160 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 291 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 376 Nm |
| Torque RPM | 4250 RPM | 4800 RPM |
| Engine Compression Ratio | 9.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 2141 kg |
| Vehicle Length | 4850 mm | 4910 mm |
| Vehicle Width | 1850 mm | 1920 mm |
| Vehicle Height | 1470 mm | 1750 mm |
| Wheelbase Size | 2890 mm | 2880 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 83 L |
