2007 Cadillac STS vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (255 HP @ 6500 RPM) has 68 more horse power than 2008 Mercedes-Benz R. (187 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2008 Mercedes-Benz R.
Because 2008 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2008 Mercedes-Benz R 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, 2008 Mercedes-Benz R (440 Nm @ 1400 RPM) has 98 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2008 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2008 Mercedes-Benz R | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | R |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 187 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 440 Nm |
| Torque RPM | 3200 RPM | 1400 RPM |
| Engine Compression Ratio | 10.2:1 | 17.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4940 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1670 mm |
| Wheelbase Size | 2960 mm | 2990 mm |
| Fuel Consumption Overall | 11.2 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
