2009 Infiniti G37 vs. 2005 Opel Astra
To start off, 2009 Infiniti G37 is newer by 4 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 3,696 cc (6 cylinders), 2009 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2009 Infiniti G37 (329 HP @ 7000 RPM) has 229 more horse power than 2005 Opel Astra. (100 HP @ 4300 RPM). In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 334 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti G37 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 2009 Infiniti G37. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2009 Infiniti G37 (365 Nm @ 5200 RPM) has 135 more torque (in Nm) than 2005 Opel Astra. (230 Nm @ 1950 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2009 Infiniti G37 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. 2009 Infiniti G37 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Infiniti G37 | 2005 Opel Astra | |
| Make | Infiniti | Opel |
| Model | G37 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 329 HP | 100 HP |
| Engine RPM | 7000 RPM | 4300 RPM |
| Torque | 365 Nm | 230 Nm |
| Torque RPM | 5200 RPM | 1950 RPM |
| Engine Compression Ratio | 10.9:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1719 kg | 1385 kg |
| Vehicle Length | 4760 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2860 mm | 2610 mm |
| Fuel Tank Capacity | 76 L | 52 L |
