This study represents an effort to investigate the efficacy of individualized instructions based on students’ preferred learning styles on the success of English grammar learning. After reviewing the theoretical research background of influential learning style models, an experiment was conducted with the aim of comparing the effect of learning style based instructions and traditional teaching strategy on grammar learning. Beyond the main aim examining the participants’ attitude to grammar learning was among the purposes of the current research. Participants’ attitudes were measured by monitoring and using a questionnaire with open-ended questions.