2006 Infiniti Q45 vs. 2003 Maserati Quattroporte
To start off, 2006 Infiniti Q45 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Maserati Quattroporte. In addition, the cost of maintenance, including insurance, on 2003 Maserati Quattroporte would be higher. At 4,490 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Maserati Quattroporte (395 HP @ 7000 RPM) has 55 more horse power than 2006 Infiniti Q45. (340 HP @ 6400 RPM) In normal driving conditions, 2003 Maserati Quattroporte should accelerate faster than 2006 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2003 Maserati Quattroporte weights approximately 546 kg more than 2006 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Maserati Quattroporte (460 Nm @ 4500 RPM) has 8 more torque (in Nm) than 2006 Infiniti Q45. (452 Nm @ 4000 RPM). This means 2003 Maserati Quattroporte will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti Q45.
Compare all specifications:
| 2006 Infiniti Q45 | 2003 Maserati Quattroporte | |
| Make | Infiniti | Maserati |
| Model | Q45 | Quattroporte |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 4244 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 395 HP |
| Engine RPM | 6400 RPM | 7000 RPM |
| Torque | 452 Nm | 460 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 79.8 mm |
| Engine Compression Ratio | 9.5:1 | 11.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1866 kg |
| Vehicle Length | 5110 mm | 5060 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2880 mm | 3070 mm |
| Fuel Tank Capacity | 81 L | 90 L |
