2006 Cadillac STS vs. 2005 Porsche 996
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche 996. In addition, the cost of maintenance, including insurance, on 2005 Porsche 996 would be higher. At 3,600 cc (6 cylinders), 2005 Porsche 996 is equipped with a bigger engine. In terms of performance, 2005 Porsche 996 (376 HP @ 7400 RPM) has 123 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2005 Porsche 996 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 402 kg more than 2005 Porsche 996.
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, 2005 Porsche 996 (386 Nm @ 5000 RPM) has 44 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2005 Porsche 996 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS. 2006 Cadillac STS has automatic transmission and 2005 Porsche 996 has manual transmission. 2005 Porsche 996 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2005 Porsche 996 | |
| Make | Cadillac | Porsche |
| Model | STS | 996 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3563 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 376 HP |
| Engine RPM | 6500 RPM | 7400 RPM |
| Torque | 342 Nm | 386 Nm |
| Torque RPM | 3200 RPM | 5000 RPM |
| Engine Bore Size | 94 mm | 100 mm |
| Engine Stroke Size | 85.6 mm | 76.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1380 kg |
| Vehicle Length | 4990 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2360 mm |
| Fuel Tank Capacity | 66 L | 89 L |
