2009 Infiniti QX56 vs. 2005 Opel Vectra
To start off, 2009 Infiniti QX56 is newer by 4 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 5,552 cc (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 112 more horse power than 2005 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti QX56 weights approximately 120 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 2009 Infiniti QX56 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, 2009 Infiniti QX56 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 233 more torque (in Nm) than 2005 Opel Vectra. (300 Nm @ 4000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2009 Infiniti QX56 | 2005 Opel Vectra | |
| Make | Infiniti | Opel |
| Model | QX56 | Vectra |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 208 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 533 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1200 kg |
| Vehicle Length | 5260 mm | 4600 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Vehicle Height | 2010 mm | 1470 mm |
| Wheelbase Size | 3140 mm | 2500 mm |
| Fuel Consumption Overall | 16.8 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 106 L | 61 L |
