2005 Infiniti QX4 vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2005 Infiniti QX4 would be higher. At 3,496 cc (6 cylinders), 2005 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2005 Infiniti QX4 (238 HP @ 6000 RPM) has 40 more horse power than 2006 Opel Astra. (198 HP @ 5400 RPM). In normal driving conditions, 2005 Infiniti QX4 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX4 weights approximately 535 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 Infiniti QX4 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, 2005 Infiniti QX4 (359 Nm @ 3200 RPM) has 97 more torque (in Nm) than 2006 Opel Astra. (262 Nm @ 4200 RPM). This means 2005 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra. 2005 Infiniti QX4 has automatic transmission and 2006 Opel Astra has manual transmission. 2006 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Infiniti QX4 | 2006 Opel Astra | |
| Make | Infiniti | Opel |
| Model | QX4 | Astra |
| Year Released | 2005 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3496 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 198 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 359 Nm | 262 Nm |
| Torque RPM | 3200 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1960 kg | 1425 kg |
| Vehicle Length | 4660 mm | 4520 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1800 mm | 1510 mm |
| Wheelbase Size | 2710 mm | 2710 mm |
