2006 Cadillac STS vs. 1990 Porsche 911
To start off, 2006 Cadillac STS is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (316 HP @ 5750 RPM) has 63 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 315 kg more than 1990 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, 1990 Porsche 911 (450 Nm @ 4500 RPM) has 108 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 1990 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 1990 Porsche 911 has manual transmission. 1990 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 | 1990 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | STS | 911 |
| Year Released | 2006 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3563 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 316 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 342 Nm | 450 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Bore Size | 94 mm | 97 mm |
| Engine Stroke Size | 85.6 mm | 74.4 mm |
| Engine Compression Ratio | 10.2:1 | 7.0:1 |
| Top Speed | 229 km/hour | 270 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1467 kg |
| Vehicle Length | 4990 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2960 mm | 2270 mm |
| Fuel Consumption | 8.7 L/100km | 10.4 L/100km |
| Fuel Consumption City | 13.1 L/100km | 21 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 66 L | 76 L |
