2006 Cadillac STS vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 1 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 3,605 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (481 HP @ 6000 RPM) has 228 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 2006 Cadillac STS.
Because 2007 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 Porsche 911 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, 2007 Porsche 911 (624 Nm @ 1950 RPM) has 282 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS. 2006 Cadillac STS has automatic transmission and 2007 Porsche 911 has manual transmission. 2007 Porsche 911 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 | 2007 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3563 cc | 3605 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 481 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 342 Nm | 624 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 94 mm | 100 mm |
| Engine Stroke Size | 85.6 mm | 76 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4990 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2360 mm |
| Fuel Consumption | 8.7 L/100km | 9.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 66 L | 67 L |
