2007 Cadillac STS vs. 2005 Mercedes-Benz C
To start off, 2007 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz C would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 181 more horse power than 2005 Mercedes-Benz C. (141 HP @ 4200 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2005 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 300 kg more than 2005 Mercedes-Benz C. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz C. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS will offer significantly more control. 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 Cadillac STS (427 Nm @ 4400 RPM) has 87 more torque (in Nm) than 2005 Mercedes-Benz C. (340 Nm @ 1800 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz C. 2007 Cadillac STS has automatic transmission and 2005 Mercedes-Benz C has manual transmission. 2005 Mercedes-Benz C will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Cadillac STS | 2005 Mercedes-Benz C | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | C |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 141 HP |
| Engine RPM | 6400 RPM | 4200 RPM |
| Torque | 427 Nm | 340 Nm |
| Torque RPM | 4400 RPM | 1800 RPM |
| Engine Bore Size | 93 mm | 88.1 mm |
| Engine Stroke Size | 84 mm | 88.3 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Acceleration 0-100mph | 6.2 seconds | 10.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1520 kg |
| Wheelbase Size | 2960 mm | 2860 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 66 L | 62 L |
