2009 Cadillac CTS vs. 1981 Porsche 911
To start off, 2009 Cadillac CTS is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac CTS (307 HP @ 6400 RPM) has 75 more horse power than 1981 Porsche 911. (232 HP @ 5900 RPM). In normal driving conditions, 2009 Cadillac CTS should accelerate faster than 1981 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac CTS weights approximately 528 kg more than 1981 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Cadillac CTS (374 Nm @ 5200 RPM) has 90 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 2009 Cadillac CTS will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 2009 Cadillac CTS | 1981 Porsche 911 | |
| Make | Cadillac | Porsche |
| Model | CTS | 911 |
| Year Released | 2009 | 1981 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3564 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 307 HP | 232 HP |
| Engine RPM | 6400 RPM | 5900 RPM |
| Torque | 374 Nm | 284 Nm |
| Torque RPM | 5200 RPM | 4800 RPM |
| Engine Bore Size | 94 mm | 95 mm |
| Engine Stroke Size | 85.6 mm | 74.4 mm |
| Engine Compression Ratio | 9.0:1 | 10.3:1 |
| Top Speed | 249 km/hour | 246 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1788 kg | 1260 kg |
| Vehicle Length | 4870 mm | 4300 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2270 mm |
| Fuel Tank Capacity | 68 L | 80 L |
