2006 Cadillac STS vs. 2011 Mercedes-Benz CLS
To start off, 2011 Mercedes-Benz CLS is newer by 5 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 4,663 cc (8 cylinders), 2011 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 149 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2011 Mercedes-Benz CLS should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 47 kg more than 2011 Mercedes-Benz CLS.
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, 2011 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 258 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2011 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2011 Mercedes-Benz CLS | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | CLS |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 402 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 342 Nm | 600 Nm |
| Torque RPM | 3200 RPM | 1800 RPM |
| Engine Compression Ratio | 10.2:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 5.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1782 kg | 1735 kg |
| Vehicle Length | 4990 mm | 4940 mm |
| Vehicle Width | 1850 mm | 1882 mm |
| Vehicle Height | 1470 mm | 1417 mm |
| Wheelbase Size | 2960 mm | 2875 mm |
| Fuel Tank Capacity | 66 L | 80 L |
