2009 Cadillac STS vs. 2006 Cadillac CTS
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac CTS would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 89 more horse power than 2006 Cadillac CTS. (211 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Cadillac CTS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 190 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, 2009 Cadillac STS (273 Nm @ 5200 RPM) has 10 more torque (in Nm) than 2006 Cadillac CTS. (263 Nm @ 3300 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac CTS.
Compare all specifications:
| 2009 Cadillac STS | 2006 Cadillac CTS | |
| Make | Cadillac | Cadillac |
| Model | STS | CTS |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 211 HP |
| Torque | 273 Nm | 263 Nm |
| Torque RPM | 5200 RPM | 3300 RPM |
| Engine Compression Ratio | 11.3:1 | 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 | 1782 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 | 10 L/100km | 8.7 L/100km |
| Fuel Consumption City | 14 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 12.7 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 58 L | 64 L |
