2006 Cadillac STS vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 3 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 6,208 cc (6 cylinders), 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (451 HP @ 6800 RPM) has 130 more horse power than 2006 Cadillac STS. (321 HP @ 6400 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 63 kg more than 2009 Mercedes-Benz C.
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 Mercedes-Benz C (600 Nm @ 5000 RPM) has 173 more torque (in Nm) than 2006 Cadillac STS. (427 Nm @ 4400 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2009 Mercedes-Benz C | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | C |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 451 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 427 Nm | 600 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 4.5 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1818 kg | 1755 kg |
| Vehicle Length | 4990 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1450 mm |
| Vehicle Height | 1470 mm | 1780 mm |
| Wheelbase Size | 2960 mm | 2770 mm |
| Fuel Consumption Overall | 14.5 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 66 L | 66 L |
