2009 Cadillac STS vs. 2006 Mercedes-Benz S
To start off, 2009 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz S would be higher. At 4,965 cc (8 cylinders), 2006 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, both vehicles can yield 302 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz S weights approximately 331 kg more 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, 2006 Mercedes-Benz S (460 Nm @ 2700 RPM) has 91 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2006 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2006 Mercedes-Benz S | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | S |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3600 cc | 4965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 302 HP | 302 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 369 Nm | 460 Nm |
| Torque RPM | 5200 RPM | 2700 RPM |
| Engine Compression Ratio | 3.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1891 kg |
| Vehicle Length | 5000 mm | 5170 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2960 mm | 3090 mm |
| Fuel Consumption | 9.2 L/100km | 9.8 L/100km |
| Fuel Consumption City | 14 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 64 L | 88 L |
