2006 Cadillac STS vs. 2005 Mercedes-Benz SLK
To start off, 2006 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SLK would be higher. At 5,437 cc (8 cylinders), 2005 Mercedes-Benz SLK is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SLK (349 HP @ 5750 RPM) has 96 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM) In normal driving conditions, 2005 Mercedes-Benz SLK should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SLK weights approximately 63 kg more than 2006 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 Mercedes-Benz SLK (510 Nm @ 4000 RPM) has 168 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2005 Mercedes-Benz SLK will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS.
Compare all specifications:
| 2006 Cadillac STS | 2005 Mercedes-Benz SLK | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | SLK |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 5437 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 253 HP | 349 HP |
| Engine RPM | 6500 RPM | 5750 RPM |
| Torque | 342 Nm | 510 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 97 mm |
| Engine Stroke Size | 85.6 mm | 92 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 229 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 4.9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1845 kg |
| Vehicle Length | 4990 mm | 4090 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
| Fuel Consumption Overall | 12.4 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
