Marks Auto Service of Rockford is a highly regarded auto repair shop known for its honest and reliable service. Customers consistently praise the team for their transparency and commitment to keeping costs reasonable, with no pressure for upselling. The shop offers a variety of services, including tire changes, oil changes, alignments, brake repairs, electrical work, and diagnostics. Many reviews highlight the friendly and helpful staff, particularly noting the excellent communication throughout the repair process. Customers appreciate the attention to detail and the effort made to address issues promptly and effectively. One customer shared their experience of having a major engine repair, expressing gratitude for the team's attempts to save them money by exploring repair options before proceeding with a new engine. Overall, Marks Auto Service has built a strong reputation for quality work, efficiency, and customer care. The shop is recommended for both personal and business vehicle needs, with many customers returning for various services, confident in the honest and professional approach of the team.