2006 Infiniti Q45 vs. 2006 Opel Astra
To start off, both 2006 Infiniti Q45 and 2006 Opel Astra were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,494 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 217 more horse power than 2006 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 110 kg more than 2006 Infiniti Q45.
Because 2006 Infiniti Q45 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 2006 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Astra, 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, 2006 Infiniti Q45 (452 Nm @ 4000 RPM) has 282 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2006 Infiniti Q45 | 2006 Opel Astra | |
| Make | Infiniti | Opel |
| Model | Q45 | Astra |
| Year Released | 2006 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 123 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 452 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.6 mm |
| Engine Stroke Size | 82.7 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1430 kg |
| Vehicle Length | 5110 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2880 mm | 2620 mm |
| Fuel Consumption Overall | 15.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 81 L | 52 L |
