Steam now offers new Trader Pack DLC for Car Mechanic Simulator 2015, adding new cars, parts, and tuning options to the grease monkey sim. Here's word on the contents:

New package of cars, parts and possibilities for all car maniacs!

• 3 brand new cars selected by CMS community: Delray Custom, Sakura GT20 and Salem Spectre Fastback
• new 2-carb, V8 engine
• new 3-carb Inline 6 engine
• tuning kits for each new car (works with Tuning DLC)