2009 Cadillac STS vs. 2007 Mercedes-Benz CLS
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 205 more horse power than 2009 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2009 Cadillac STS.
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, 2007 Mercedes-Benz CLS (631 Nm @ 5200 RPM) has 262 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2007 Mercedes-Benz CLS | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | CLS |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 6206 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 507 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 369 Nm | 631 Nm |
| Torque RPM | 5200 RPM | 5200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5000 mm | 4910 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2860 mm |
| Fuel Consumption | 9.2 L/100km | 11.8 L/100km |
| Fuel Consumption City | 14 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
