One of the most recognizable sports car lineups in the world  the 2018 BMW 3 Series features several performance enhancements and new interior comforts Available in touring  hatchback  and sedan body styles  the 2018 3 Series features the 330i with a turbocharged 248 hp four-cylinder engine producing 258 lb-ft of torque and the more powerful 340i which features a six-cylinder engine at 320 hp and 330 lb-ft