2006 Infiniti FX vs. 2011 Alpina B7
To start off, 2011 Alpina B7 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Infiniti FX. In addition, the cost of maintenance, including insurance, on 2006 Infiniti FX would be higher. At 4,400 cc (8 cylinders), 2011 Alpina B7 is equipped with a bigger engine. In terms of performance, 2011 Alpina B7 (500 HP @ 5500 RPM) has 220 more horse power than 2006 Infiniti FX. (280 HP @ 6200 RPM) In normal driving conditions, 2011 Alpina B7 should accelerate faster than 2006 Infiniti FX. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B7 weights approximately 820 kg more than 2006 Infiniti FX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Alpina B7 (699 Nm @ 3000 RPM) has 332 more torque (in Nm) than 2006 Infiniti FX. (367 Nm @ 4800 RPM). This means 2011 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti FX.
Compare all specifications:
| 2006 Infiniti FX | 2011 Alpina B7 | |
| Make | Infiniti | Alpina |
| Model | FX | B7 |
| Year Released | 2006 | 2011 |
| Body Type | Crossover | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 280 HP | 500 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 367 Nm | 699 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Drive Type | 4WD | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1320 kg | 2140 kg |
| Vehicle Length | 4810 mm | 5085 mm |
| Vehicle Width | 1930 mm | 1902 mm |
| Vehicle Height | 1660 mm | 1483 mm |
| Wheelbase Size | 2860 mm | 3071 mm |
| Fuel Consumption | 11.2 L/100km | 11.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 90 L | 82 L |
