2006 Cadillac STS vs. 1999 Mercedes-Benz SLK
To start off, 2006 Cadillac STS is newer by 7 year(s). Which means there will be less support and parts availability for 1999 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 1999 Mercedes-Benz SLK would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 38 more horse power than 1999 Mercedes-Benz SLK. (215 HP @ 5700 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1999 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 452 kg more than 1999 Mercedes-Benz SLK. 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, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 26 more torque (in Nm) than 1999 Mercedes-Benz SLK. (316 Nm @ 3000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercedes-Benz SLK.
Compare all specifications:
| 2006 Cadillac STS | 1999 Mercedes-Benz SLK | |
| Make | Cadillac | Mercedes-Benz |
| Model | STS | SLK |
| Year Released | 2006 | 1999 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 3199 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 253 HP | 215 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 342 Nm | 316 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 94 mm | 89.9 mm |
| Engine Stroke Size | 85.6 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1330 kg |
| Vehicle Length | 4990 mm | 4000 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1280 mm |
| Wheelbase Size | 2960 mm | 2410 mm |
| Fuel Tank Capacity | 66 L | 60 L |
