2006 Cadillac STS vs. 2007 Citroen C6
To start off, 2007 Citroen C6 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 112 more horse power than 2007 Citroen C6. (208 HP @ 6000 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2007 Citroen C6.
Because 2006 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2007 Citroen C6, being front wheel drive (FWD), will offer much better control with better grip. 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 (428 Nm @ 4400 RPM) has 138 more torque (in Nm) than 2007 Citroen C6. (290 Nm @ 3750 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C6.
Compare all specifications:
| 2006 Cadillac STS | 2007 Citroen C6 | |
| Make | Cadillac | Citroen |
| Model | STS | C6 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 2945 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 208 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 428 Nm | 290 Nm |
| Torque RPM | 4400 RPM | 3750 RPM |
| Engine Bore Size | 93 mm | 87 mm |
| Engine Stroke Size | 84 mm | 82.6 mm |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4910 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2960 mm | 2910 mm |
| Fuel Consumption Overall | 11.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 64 L | 72 L |
