2008 Daihatsu Copen vs. 2006 Infiniti Q45
To start off, 2008 Daihatsu Copen is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 254 more horse power than 2008 Daihatsu Copen. (86 HP @ 6000 RPM) In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2008 Daihatsu Copen. With that said, vehicle weight also plays an important factor in acceleration. 2006 Infiniti Q45 weights approximately 470 kg more than 2008 Daihatsu Copen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Daihatsu Copen is four wheel drive (4WD), it will have significant more traction and grip than 2006 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Copen 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 Q45 (452 Nm @ 4000 RPM) has 331 more torque (in Nm) than 2008 Daihatsu Copen. (121 Nm @ 4400 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Copen. 2006 Infiniti Q45 has automatic transmission and 2008 Daihatsu Copen has manual transmission. 2008 Daihatsu Copen will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Daihatsu Copen | 2006 Infiniti Q45 | |
| Make | Daihatsu | Infiniti |
| Model | Copen | Q45 |
| Year Released | 2008 | 2006 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4490 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 340 HP |
| Engine RPM | 6000 RPM | 6400 RPM |
| Torque | 121 Nm | 452 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 93 mm |
| Engine Stroke Size | 79.7 mm | 82.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 850 kg | 1320 kg |
| Vehicle Length | 3400 mm | 5110 mm |
| Vehicle Width | 1480 mm | 1850 mm |
| Vehicle Height | 1250 mm | 1500 mm |
| Wheelbase Size | 2230 mm | 2880 mm |
| Fuel Consumption Overall | 7.7 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 40 L | 81 L |
