2006 Infiniti FX vs. 2005 Opel Vectra
To start off, 2006 Infiniti FX is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti FX is equipped with a bigger engine. In terms of performance, 2006 Infiniti FX (320 HP @ 6400 RPM) has 150 more horse power than 2005 Opel Vectra. (170 HP @ 5500 RPM). In normal driving conditions, 2006 Infiniti FX should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti FX weights approximately 485 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti FX 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, 2006 Infiniti FX (454 Nm @ 4000 RPM) has 189 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 2006 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2006 Infiniti FX | 2005 Opel Vectra | |
| Make | Infiniti | Opel |
| Model | FX | Vectra |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 170 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 454 Nm | 265 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 82.7 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1470 kg |
| Vehicle Length | 4810 mm | 4600 mm |
| Vehicle Width | 1930 mm | 1800 mm |
| Vehicle Height | 1660 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2720 mm |
| Fuel Consumption Overall | 14.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
