2006 Infiniti Q45 vs. 2009 Porsche Boxster
To start off, 2009 Porsche Boxster is newer by 3 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 115 more horse power than 2009 Porsche Boxster. (225 HP @ 4700 RPM). In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2009 Porsche Boxster.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 192 more torque (in Nm) than 2009 Porsche Boxster. (260 Nm @ 4700 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Boxster.
Compare all specifications:
| 2006 Infiniti Q45 | 2009 Porsche Boxster | |
| Make | Infiniti | Porsche |
| Model | Q45 | Boxster |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4490 cc | 2687 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 225 HP |
| Engine RPM | 6400 RPM | 4700 RPM |
| Torque | 452 Nm | 260 Nm |
| Torque RPM | 4000 RPM | 4700 RPM |
| Engine Bore Size | 93 mm | 85.5 mm |
| Engine Stroke Size | 82.7 mm | 78 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5110 mm | 4330 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 2880 mm | 2420 mm |
| Fuel Consumption Overall | 11.9 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 81 L | 64 L |
