2009 Daihatsu Sirion vs. 2010 Infiniti G37
To start off, 2010 Infiniti G37 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2009 Daihatsu Sirion would be higher. At 3,696 cc (6 cylinders), 2010 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2010 Infiniti G37 (329 HP @ 7000 RPM) has 227 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2010 Infiniti G37 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti G37 weights approximately 355 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Infiniti G37 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2010 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, 2010 Infiniti G37 (365 Nm @ 5200 RPM) has 233 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 2010 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 2010 Infiniti G37 | |
| Make | Daihatsu | Infiniti |
| Model | Sirion | G37 |
| Year Released | 2009 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1494 cc | 3696 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 329 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 132 Nm | 365 Nm |
| Torque RPM | 4400 RPM | 5200 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 965 kg | 1320 kg |
| Vehicle Length | 3640 mm | 4760 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2860 mm |
| Fuel Consumption Overall | 6.2 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 40 L | 76 L |
