2005 Cadillac STS vs. 2005 Porsche 911
To start off, both 2005 Cadillac STS and 2005 Porsche 911 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (445 HP @ 5700 RPM) has 190 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2005 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 206 kg more than 2005 Porsche 911.
Because 2005 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, 2005 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, 2005 Porsche 911 (620 Nm @ 3500 RPM) has 281 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2005 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3556 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 445 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 339 Nm | 620 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 94 mm | 100 mm |
| Engine Stroke Size | 86 mm | 76.4 mm |
| Engine Compression Ratio | 10.2:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 307 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 4.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1796 kg | 1590 kg |
| Vehicle Length | 4990 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
