2006 Cadillac STS vs. 2004 Pontiac GTO
To start off, 2006 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Pontiac GTO. In addition, the cost of maintenance, including insurance, on 2004 Pontiac GTO would be higher. At 5,970 cc (8 cylinders), 2004 Pontiac GTO is equipped with a bigger engine. In terms of performance, 2004 Pontiac GTO (400 HP @ 5200 RPM) has 147 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2004 Pontiac GTO should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 97 kg more than 2004 Pontiac GTO.
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, 2004 Pontiac GTO (542 Nm @ 4000 RPM) has 200 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2004 Pontiac GTO will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2004 Pontiac GTO | |
| Make | Cadillac | Pontiac |
| Model | STS | GTO |
| Year Released | 2006 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 5970 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 400 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 342 Nm | 542 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 101.6 mm |
| Engine Stroke Size | 85.6 mm | 92 mm |
| Engine Compression Ratio | 10.2:1 | 10.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1685 kg |
| Vehicle Length | 4990 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2800 mm |
| Fuel Tank Capacity | 66 L | 68 L |
