2007 Daihatsu Sirion vs. 2001 Infiniti Q45
To start off, 2007 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2001 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2001 Infiniti Q45 would be higher. At 4,129 cc (8 cylinders), 2001 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2001 Infiniti Q45 (265 HP @ 5600 RPM) has 196 more horse power than 2007 Daihatsu Sirion. (69 HP @ 6000 RPM) In normal driving conditions, 2001 Infiniti Q45 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2001 Infiniti Q45 weights approximately 866 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 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 2001 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Sirion, 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, 2001 Infiniti Q45 (378 Nm @ 4000 RPM) has 284 more torque (in Nm) than 2007 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2001 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2001 Infiniti Q45 has automatic transmission and 2007 Daihatsu Sirion has manual transmission. 2007 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Daihatsu Sirion | 2001 Infiniti Q45 | |
| Make | Daihatsu | Infiniti |
| Model | Sirion | Q45 |
| Year Released | 2007 | 2001 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 4129 cc |
| Engine Cylinders | 3 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 69 HP | 265 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 94 Nm | 378 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 71 mm | 93 mm |
| Engine Stroke Size | 84 mm | 76 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 894 kg | 1760 kg |
| Vehicle Length | 3610 mm | 5070 mm |
| Vehicle Width | 1670 mm | 1830 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Tank Capacity | 40 L | 60 L |
