2007 Cadillac STS vs. 2008 Mercedes-Benz SL
To start off, 2008 Mercedes-Benz SL 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 5,513 cc (12 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (510 HP @ 5000 RPM) has 256 more horse power than 2007 Cadillac STS. (254 HP @ 6500 RPM) In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2007 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SL weights approximately 168 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 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. 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, 2008 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 488 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2008 Mercedes-Benz SL 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 SL | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | SL |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 254 HP | 510 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 342 Nm | 830 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 229 km/hour | 245 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1950 kg |
| Vehicle Length | 4990 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1830 mm |
| Wheelbase Size | 2960 mm | 2570 mm |
| Fuel Consumption City | 13.1 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 12.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 66 L | 80 L |
