For the new model year, Civic customers are again offered a high level of safety and driver-assistive technology with the available Honda Sensing suite. The safety suite will be available on all Sedan trims and standard on Touring trims for both Sedan and Coupe. Honda Sensing features include the Collision Mitigation Braking System (CMBS) incorporating Forward Collision Warning, Adaptive Cruise Control with Low Speed Follow, Lane Keeping Assist System (LKAS), and Road Departure Mitigation (RDM) incorporating Lane Departure Warning (LDW).

Both the 2018 Honda Civic and Civic Si received a 5-star Overall Vehicle Score from the National Highway Traffic Safety Administration (NHTSA) based on its crash safety test performance. Safety features for the 2018 Civic Si include standard fourchannel anti-lock brakes (ABS) with Electronic Brake Distribution (EBD), Vehicle Stability Assist (VSA) and Agile Handling Assist.