2006 Cadillac STS vs. 2003 Chevrolet SS
To start off, 2006 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Chevrolet SS. In addition, the cost of maintenance, including insurance, on 2003 Chevrolet SS would be higher. At 6,000 cc (8 cylinders), 2003 Chevrolet SS is equipped with a bigger engine. In terms of performance, 2003 Chevrolet SS (430 HP) has 177 more horse power than 2006 Cadillac STS. (253 HP) In normal driving conditions, 2003 Chevrolet SS should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 122 kg more than 2003 Chevrolet SS.
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 Chevrolet SS (583 Nm) has 241 more torque (in Nm) than 2006 Cadillac STS. (342 Nm). This means 2003 Chevrolet SS will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2003 Chevrolet SS | |
| Make | Cadillac | Chevrolet |
| Model | STS | SS |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 430 HP |
| Torque | 342 Nm | 583 Nm |
| 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 | 1782 kg | 1660 kg |
| Vehicle Length | 4990 mm | 5060 mm |
| Vehicle Width | 1850 mm | 1940 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2960 mm | 3080 mm |
| Fuel Tank Capacity | 66 L | 64 L |
