2006 Cadillac STS vs. 2009 Porsche Cayman
To start off, 2009 Porsche Cayman is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 78 more horse power than 2009 Porsche Cayman. (242 HP @ 6500 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2009 Porsche Cayman.
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, 2006 Cadillac STS (428 Nm @ 4400 RPM) has 155 more torque (in Nm) than 2009 Porsche Cayman. (273 Nm @ 4600 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Cayman. 2006 Cadillac STS has automatic transmission and 2009 Porsche Cayman has manual transmission. 2009 Porsche Cayman 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 | 2009 Porsche Cayman | |
| Make | Cadillac | Porsche |
| Model | STS | Cayman |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4556 cc | 2687 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 242 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 428 Nm | 273 Nm |
| Torque RPM | 4400 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 85.5 mm |
| Engine Stroke Size | 84 mm | 78 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4990 mm | 4350 mm |
| Vehicle Width | 1850 mm | 1310 mm |
| Vehicle Height | 1470 mm | 1810 mm |
| Wheelbase Size | 2960 mm | 2420 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
