Big O Tires in Boulder is a trustworthy full-service auto shop known for its legendary friendly and professional service. The team is extremely friendly, super knowledgeable, and happy to share advice. They provide honest, worry-free service for tires, oil changes, brakes, suspension, A/C, wipers, batteries, lights, and other repairs. Customers report great experiences where the staff goes the extra mile, such as performing free alignment checks, helping in emergencies without charge, and completing major repairs like wheel bearing or control arm replacements quickly. They offer early, late, and weekend appointments and carry major tire brands. Their wheel alignment deals are an added plus, making them a reliable choice for honest and courteous auto care.
Great service - I came in to ask about my tire with a screw in it, and they gave me a complimentary fix.
August 2026
They saw us same-day for a nail in our tire, which thankfully, could be repaired. We were in and out in 45 minutes and, Joe, who assisted us in the front, was very kind. We really appreciate them and are so grateful Big O was open on a Sunday! Thank you so much for making a stressful situation far less stressful!
August 2026
Top shelf service. Although it was a busy Saturday, we had our tire issue promptly addressed! Great customer service. Chris (I think that was his name?) gave great detailed advise about our issues.
