2005 Cadillac STS vs. 2003 Chrysler Pacifica
To start off, 2005 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Chrysler Pacifica. In addition, the cost of maintenance, including insurance, on 2003 Chrysler Pacifica would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac STS is equipped with a bigger engine. In terms of performance, 2005 Cadillac STS (255 HP @ 6500 RPM) has 2 more horse power than 2003 Chrysler Pacifica. (253 HP @ 6400 RPM). In normal driving conditions, 2005 Cadillac STS should accelerate faster than 2003 Chrysler Pacifica. With that said, vehicle weight also plays an important factor in acceleration. 2003 Chrysler Pacifica weights approximately 369 kg more than 2005 Cadillac STS.
Because 2003 Chrysler Pacifica is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2003 Chrysler Pacifica 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, both vehicles can yield 339 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Cadillac STS | 2003 Chrysler Pacifica | |
| Make | Cadillac | Chrysler |
| Model | STS | Pacifica |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 3518 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 253 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 339 Nm | 339 Nm |
| Torque RPM | 3200 RPM | 3950 RPM |
| Engine Compression Ratio | 10.2:1 | 9.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1796 kg | 2165 kg |
| Vehicle Length | 4990 mm | 5060 mm |
| Vehicle Width | 1850 mm | 2020 mm |
| Vehicle Height | 1470 mm | 1700 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
| Fuel Consumption Overall | 12.4 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 64 L | 87 L |
