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 6,208 cc (8 cylinders), 2008 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz R (503 HP @ 6800 RPM) has 182 more horse power than 2007 Cadillac STS. (321 HP @ 6400 RPM) In normal driving conditions, 2008 Mercedes-Benz R should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 740 kg more than 2007 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (630 Nm @ 5200 RPM) has 203 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 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 | 4565 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 503 HP |
| Engine RPM | 6400 RPM | 6800 RPM |
| Torque | 427 Nm | 630 Nm |
| Torque RPM | 4400 RPM | 5200 RPM |
| Engine Bore Size | 93 mm | 102.2 mm |
| Engine Stroke Size | 84 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 2375 kg |
| Vehicle Length | 4990 mm | 5160 mm |
| Vehicle Width | 1850 mm | 1930 mm |
| Vehicle Height | 1470 mm | 1640 mm |
| Wheelbase Size | 2960 mm | 3220 mm |
| Fuel Consumption | 8.7 L/100km | 14.9 L/100km |
| Fuel Consumption City | 13.8 L/100km | 19.8 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 16.5 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
