2009 Infiniti G37 vs. 2003 Opel Astra
To start off, 2009 Infiniti G37 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 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 (330 HP @ 7000 RPM) has 188 more horse power than 2003 Opel Astra. (142 HP @ 5600 RPM). In normal driving conditions, 2009 Infiniti G37 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti G37 weights approximately 569 kg more than 2003 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 four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti G37 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, 2009 Infiniti G37 (367 Nm @ 5200 RPM) has 163 more torque (in Nm) than 2003 Opel Astra. (204 Nm @ 4000 RPM). This means 2009 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2009 Infiniti G37 has automatic transmission and 2003 Opel Astra has manual transmission. 2003 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 | 2003 Opel Astra | |
| Make | Infiniti | Opel |
| Model | G37 | Astra |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 142 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 367 Nm | 204 Nm |
| Torque RPM | 5200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1719 kg | 1150 kg |
| Vehicle Length | 4660 mm | 4120 mm |
| Vehicle Width | 1830 mm | 1720 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2860 mm | 2740 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.7 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 76 L | 53 L |
