2008 Cadillac STS vs. 2006 Mercedes-Benz SLK
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 SLK. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz SLK would be higher. At 3,564 cc (6 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (302 HP @ 6300 RPM) has 74 more horse power than 2006 Mercedes-Benz SLK. (228 HP @ 6000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2006 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz SLK weights approximately 138 kg more than 2008 Cadillac STS.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mercedes-Benz SLK. 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, 2008 Cadillac STS (369 Nm @ 5200 RPM) has 69 more torque (in Nm) than 2006 Mercedes-Benz SLK. (300 Nm @ 2700 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Mercedes-Benz SLK.
Compare all specifications:
| 2008 Cadillac STS | 2006 Mercedes-Benz SLK | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | SLK |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 302 HP | 228 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 369 Nm | 300 Nm |
| Torque RPM | 5200 RPM | 2700 RPM |
| Acceleration 0-100mph | 7.4 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1698 kg |
| Vehicle Length | 4990 mm | 4090 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1300 mm |
| Wheelbase Size | 2960 mm | 2440 mm |
| Fuel Consumption Highway | 9.8 L/100km | 8.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
