2009 Cadillac STS vs. 2007 Mercedes-Benz R
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz R would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 113 more horse power than 2007 Mercedes-Benz R. (187 HP). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2007 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 444 kg more than 2009 Cadillac STS.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2009 Cadillac STS. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 167 more torque (in Nm) than 2009 Cadillac STS. (273 Nm @ 5200 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2007 Mercedes-Benz R | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | R |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2987 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 187 HP |
| Torque | 273 Nm | 440 Nm |
| Torque RPM | 5200 RPM | 1400 RPM |
| Engine Bore Size | 94 mm | 83 mm |
| Engine Stroke Size | 85.6 mm | 92 mm |
| Engine Compression Ratio | 11.3:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 230 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 9.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 2226 kg |
| Vehicle Length | 4990 mm | 4930 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1660 mm |
| Wheelbase Size | 2960 mm | 2990 mm |
| Fuel Consumption Overall | 12.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 58 L | 80 L |
