Mark's Auto Service in Gillette, NJ is a reliable and trustworthy auto repair shop. Customers highlight the exceptional service from the professional office staff and highly skilled mechanics. The shop is praised for its prompt, efficient, and great service. Many reviewers, especially women, express confidence that they are not taken advantage of despite a lack of car knowledge, appreciating that the team spends time explaining problems and answering all questions in detail. The small shop with a great crew provides comprehensive and knowledgeable work. They use technology effectively, sending detailed diagnosis reports with pictures and clear email estimates. The service is described as honest, with staff providing professional and courteous treatment. They offer convenient local transportation and even car washes. Customers report saved thousands compared to dealerships, noting that prices reflect quality work and fair wages. Overall, clients recommend the business for quality, honest, and competent automotive service.