2009 Cadillac STS vs. 2005 Porsche 911
To start off, 2009 Cadillac STS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,822 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (350 HP @ 6600 RPM) has 48 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2009 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 130 kg more than 2005 Porsche 911.
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 911 (408 Nm @ 4600 RPM) has 39 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS. 2009 Cadillac STS has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2005 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3599 cc | 3822 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 350 HP |
| Engine RPM | 6300 RPM | 6600 RPM |
| Torque | 369 Nm | 408 Nm |
| Torque RPM | 5200 RPM | 4600 RPM |
| Engine Compression Ratio | 11.3:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1505 kg |
| Vehicle Length | 5000 mm | 4470 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2360 mm |
| Fuel Consumption | 9.1 L/100km | 9.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
