2006 Cadillac STS vs. 2006 Cadillac CTS
To start off, both 2006 Cadillac STS and 2006 Cadillac CTS were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 110 more horse power than 2006 Cadillac CTS. (211 HP @ 6500 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2006 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 226 kg more than 2006 Cadillac CTS. 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, 2006 Cadillac STS (427 Nm @ 4400 RPM) has 164 more torque (in Nm) than 2006 Cadillac CTS. (263 Nm @ 3300 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac CTS.
Compare all specifications:
| 2006 Cadillac STS | 2006 Cadillac CTS | |
| Make | Cadillac | Cadillac |
| Model | STS | CTS |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 211 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 427 Nm | 263 Nm |
| Torque RPM | 4400 RPM | 3300 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1818 kg | 1592 kg |
| Vehicle Length | 4990 mm | 4840 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 2890 mm |
| Fuel Consumption Highway | 9.1 L/100km | 8.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 14.5 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
