2003 Holden Vectra vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Holden Vectra. In addition, the cost of maintenance, including insurance, on 2003 Holden 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 175 more horse power than 2003 Holden Vectra. (145 HP @ 5800 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2003 Holden Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Holden Vectra weights approximately 210 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Holden 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 330 more torque (in Nm) than 2003 Holden Vectra. (203 Nm @ 4000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2003 Holden Vectra. 2009 Infiniti QX56 has automatic transmission and 2003 Holden Vectra has manual transmission. 2003 Holden Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Holden Vectra | 2009 Infiniti QX56 | |
| Make | Holden | Infiniti |
| Model | Vectra | QX56 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 145 HP | 320 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 203 Nm | 533 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1530 kg | 1320 kg |
| Vehicle Length | 4600 mm | 5260 mm |
| Vehicle Width | 1800 mm | 2010 mm |
| Vehicle Height | 1470 mm | 2010 mm |
| Wheelbase Size | 2710 mm | 3140 mm |
