2008 Cadillac STS vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 5,513 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (510 HP @ 5000 RPM) has 208 more horse power than 2008 Cadillac STS. (302 HP @ 6300 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 2008 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 335 kg more than 2009 Mercedes-Benz SL.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 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, 2009 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 461 more torque (in Nm) than 2008 Cadillac STS. (369 Nm @ 5200 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
2008 Cadillac STS | 2009 Mercedes-Benz SL | |
Make | Cadillac | Mercedes-Benz |
Model | STS | SL |
Year Released | 2008 | 2009 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 3564 cc | 5513 cc |
Engine Cylinders | 6 cylinders | 12 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 3 valves |
Horse Power | 302 HP | 510 HP |
Engine RPM | 6300 RPM | 5000 RPM |
Torque | 369 Nm | 830 Nm |
Torque RPM | 5200 RPM | 1900 RPM |
Engine Bore Size | 94.1 mm | 82 mm |
Engine Stroke Size | 85.6 mm | 87 mm |
Engine Compression Ratio | 11.3:1 | 9.0:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1560 kg | 1225 kg |
Vehicle Length | 4990 mm | 4540 mm |
Vehicle Width | 1850 mm | 1820 mm |
Vehicle Height | 1470 mm | 1300 mm |
Wheelbase Size | 2960 mm | 2570 mm |
Fuel Consumption | 9.8 L/100km | 13.1 L/100km |
Fuel Consumption Overall | 12.5 L/100km | 16.8 L/100km |
Fuel Tank Capacity | 64 L | 80 L |