2005 Cadillac STS vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6000 RPM) has 98 more horse power than 2005 Cadillac STS. (252 HP @ 6500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2005 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac STS weights approximately 440 kg more than 2009 Porsche 911.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 58 more torque (in Nm) than 2005 Cadillac STS. (342 Nm @ 3200 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS. 2005 Cadillac STS has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Cadillac STS | 2009 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3562 cc | 3823 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 350 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 342 Nm | 400 Nm |
| Torque RPM | 3200 RPM | 4600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 7.4 seconds | 4.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1790 kg | 1350 kg |
| Vehicle Length | 4990 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1310 mm |
| Vehicle Height | 1470 mm | 1860 mm |
| Wheelbase Size | 2690 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 95 L | 67 L |
