2006 Infiniti QX4 vs. 1991 Opel Astra
To start off, 2006 Infiniti QX4 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 5,552 cc (8 cylinders), 2006 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX4 (315 HP @ 4900 RPM) has 256 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM). In normal driving conditions, 2006 Infiniti QX4 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti QX4 weights approximately 345 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Infiniti QX4 (530 Nm @ 3600 RPM) has 426 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 2006 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2006 Infiniti QX4 has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti QX4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti QX4 | 1991 Opel Astra | |
| Make | Infiniti | Opel |
| Model | QX4 | Astra |
| Year Released | 2006 | 1991 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 1389 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 315 HP | 59 HP |
| Engine RPM | 4900 RPM | 5200 RPM |
| Torque | 530 Nm | 104 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Bore Size | 98 mm | 77.6 mm |
| Engine Stroke Size | 92 mm | 73.4 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1320 kg | 975 kg |
| Vehicle Length | 5260 mm | 4280 mm |
| Vehicle Width | 2010 mm | 1690 mm |
| Vehicle Height | 1960 mm | 1480 mm |
| Wheelbase Size | 3140 mm | 2530 mm |
