2006 Infiniti M vs. 2005 Opel Astra
To start off, 2006 Infiniti M is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,494 cc (8 cylinders), 2006 Infiniti M is equipped with a bigger engine. In terms of performance, 2006 Infiniti M (335 HP @ 6400 RPM) has 238 more horse power than 2005 Opel Astra. (97 HP @ 6000 RPM). In normal driving conditions, 2006 Infiniti M should accelerate faster than 2005 Opel Astra.
Because 2006 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti M 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 M (461 Nm @ 4000 RPM) has 319 more torque (in Nm) than 2005 Opel Astra. (142 Nm @ 3600 RPM). This means 2006 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2006 Infiniti M has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti M | 2005 Opel Astra | |
| Make | Infiniti | Opel |
| Model | M | Astra |
| Year Released | 2006 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 97 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 461 Nm | 142 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Fuel Tank Capacity | 75 L | 52 L |
