2008 Cadillac STS vs. 2006 Mercedes-Benz SL
To start off, 2008 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SL would be higher. At 5,513 cc (12 cylinders), 2006 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz SL (510 HP @ 5000 RPM) has 41 more horse power than 2008 Cadillac STS. (469 HP @ 6400 RPM) In normal driving conditions, 2006 Mercedes-Benz SL should accelerate faster than 2008 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SL weights approximately 485 kg more than 2008 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 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, 2006 Mercedes-Benz SL (830 Nm @ 1900 RPM) has 235 more torque (in Nm) than 2008 Cadillac STS. (595 Nm @ 3900 RPM). This means 2006 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 | 2006 Mercedes-Benz SL | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | SL |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4376 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 469 HP | 510 HP |
| Engine RPM | 6400 RPM | 5000 RPM |
| Torque | 595 Nm | 830 Nm |
| Torque RPM | 3900 RPM | 1900 RPM |
| 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 | 2045 kg |
| Vehicle Length | 5030 mm | 4540 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1480 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2570 mm |
| Fuel Consumption | 12.4 L/100km | 12.4 L/100km |
| Fuel Consumption City | 18.1 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 14.3 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
