2005 Infiniti FX vs. 2003 Opel Vectra
To start off, 2005 Infiniti FX is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 3,491 cc (6 cylinders), 2005 Infiniti FX is equipped with a bigger engine. In terms of performance, 2005 Infiniti FX (280 HP) has 106 more horse power than 2003 Opel Vectra. (174 HP). In normal driving conditions, 2005 Infiniti FX should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti FX weights approximately 100 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Infiniti FX is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Infiniti FX. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Opel Vectra (370 Nm) has 4 more torque (in Nm) than 2005 Infiniti FX. (366 Nm). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti FX.
Compare all specifications:
| 2005 Infiniti FX | 2003 Opel Vectra | |
| Make | Infiniti | Opel |
| Model | FX | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3491 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 280 HP | 174 HP |
| Torque | 366 Nm | 370 Nm |
| Engine Bore Size | 96.1 mm | 87.5 mm |
| Engine Stroke Size | 81 mm | 82 mm |
| Engine Compression Ratio | 10.3:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1864 kg | 1764 kg |
| Vehicle Length | 4810 mm | 4830 mm |
| Vehicle Width | 1930 mm | 1800 mm |
| Vehicle Height | 1660 mm | 1510 mm |
| Wheelbase Size | 2860 mm | 2840 mm |
| Fuel Consumption Highway | 10.2 L/100km | 5.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 90 L | 60 L |
