More affordable than the SL-Class, the SLK nonetheless borrows several of the prestigious German roadster’s characteristics. There’s some new optional equipment for 2015, such as a CarbonLOOK package for the SLK350, which is also equipped with the naturally-aspirated V6 engine. Obviously, an AMG version is at the top of the food chain with a 5.5L V8. With a similar look to the more expensive versions, the SLK250 offers a less traditional 200-hp four-cylinder turbo engine.