2005 Cadillac STS vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2005 Cadillac STS would be higher. At 5,461 cc, 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (382 HP @ 6000 RPM) has 127 more horse power than 2005 Cadillac STS. (255 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 2005 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, 2009 Mercedes-Benz R (530 Nm @ 2800 RPM) has 191 more torque (in Nm) than 2005 Cadillac STS. (339 Nm @ 3200 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2005 Cadillac STS.
Compare all specifications:
| 2005 Cadillac STS | 2009 Mercedes-Benz R | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | R |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 5461 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 382 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 339 Nm | 530 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Engine Compression Ratio | 10.2:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 229 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 5180 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1670 mm |
| Wheelbase Size | 2890 mm | 3220 mm |
| Fuel Tank Capacity | 64 L | 80 L |
