2009 Cadillac STS vs. 2006 Mercedes-Benz C
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 C. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz C would be higher. At 4,564 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 172 more horse power than 2006 Mercedes-Benz C. (148 HP @ 4200 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2006 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 200 kg more than 2006 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Cadillac STS (427 Nm @ 4400 RPM) has 87 more torque (in Nm) than 2006 Mercedes-Benz C. (340 Nm @ 2000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz C. 2009 Cadillac STS has automatic transmission and 2006 Mercedes-Benz C has manual transmission. 2006 Mercedes-Benz C will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2006 Mercedes-Benz C | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | C |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4564 cc | 2147 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 148 HP |
| Engine RPM | 6400 RPM | 4200 RPM |
| Torque | 427 Nm | 340 Nm |
| Torque RPM | 4400 RPM | 2000 RPM |
| Engine Compression Ratio | 3.7:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1435 kg |
| Vehicle Length | 5000 mm | 4350 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2960 mm | 2720 mm |
| Fuel Consumption Overall | 13.1 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 64 L | 62 L |
