2009 Cadillac STS vs. 2013 Porsche 911
To start off, 2013 Porsche 911 is newer by 4 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 3,800 cc (6 cylinders), 2013 Porsche 911 is equipped with a bigger engine. In terms of performance, 2013 Porsche 911 (345 HP @ 7400 RPM) has 43 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 2013 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 110 kg more than 2013 Porsche 911.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2013 Porsche 911, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 Porsche 911 (390 Nm @ 5600 RPM) has 21 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2013 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2013 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2009 | 2013 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 3800 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 345 HP |
| Engine RPM | 6300 RPM | 7400 RPM |
| Torque | 369 Nm | 390 Nm |
| Torque RPM | 5200 RPM | 5600 RPM |
| Engine Compression Ratio | 3.7:1 | 12.5 : 1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1450 kg |
| Vehicle Length | 5000 mm | 4491 mm |
| Vehicle Width | 1850 mm | 1978 mm |
| Vehicle Height | 1470 mm | 1299 mm |
| Wheelbase Size | 2960 mm | 2450 mm |
| Fuel Consumption Highway | 9.2 L/100km | 6.1 L/100km |
| Fuel Consumption City | 14 L/100km | 11.4 L/100km |
