2005 Cadillac STS vs. 2003 Maserati Quattroporte
To start off, 2005 Cadillac STS is newer by 2 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 4,244 cc (8 cylinders), 2003 Maserati Quattroporte is equipped with a bigger engine. In terms of performance, 2003 Maserati Quattroporte (395 HP @ 7000 RPM) has 140 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2003 Maserati Quattroporte should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2003 Maserati Quattroporte weights approximately 70 kg more than 2005 Cadillac STS. 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 121 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2003 Maserati Quattroporte will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2003 Maserati Quattroporte | |
| Make | Cadillac | Maserati |
| Model | STS | Quattroporte |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 4244 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 395 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 339 Nm | 460 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Bore Size | 94 mm | 92 mm |
| Engine Stroke Size | 86 mm | 79.8 mm |
| Engine Compression Ratio | 10.2:1 | 11.1:1 |
| Fuel Type | Gasoline - Premium | 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 | 1796 kg | 1866 kg |
| Vehicle Length | 4990 mm | 5060 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 3070 mm |
| Fuel Tank Capacity | 64 L | 90 L |
