Store Address
3740 E 104th Ave
Thornton, CO 80233

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4.9 /5
160 reviews

Give Us a Call
(303) 450-3393

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Mon - Fri 7:00 AM - 6:00 PM
Saturday 7:00 AM - 5:00 PM
Sunday Closed

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Tire Services

  • Free Alignment Check With Printout
  • Free rotation with new tire purchase
  • Free Flat Repair With Tire Purchases
  • Free Air Pressure Checks Every Day (no appointments needed)
  • Everyday Low Price Tire Guarantee
  • Express Lane Tire Service (no appointments needed)
  • Big O® Tires Credit Card with 6-month, No-interest Financing

Other Services

  • Free Brake Inspection (no appointment needed)
  • Free 22-Point Vehicle Inspection (no appointment needed)
  • Free Battery & Electrical Check
  • Free 5-Minute Wiper Blade/Bulb Inspection
  • Free Local Shuttle Service
  • Complete Owner's Manual Scheduled Maintenance Services
  • Good/Better/Best Oil Change Options (with free top-off service)
  • And More!

* Services offered may vary by location.

Why choose Big O Tires Auto Service?

When it comes to having a car or truck serviced, most drivers have more questions than answers. Questions like "What is rotor resurfacing... and how much will it cost?" And "What on earth is that clunking sound?!" For many years, Big O Tires customers have trusted us to offer straight answers and top-notch services. Big O Tires offers a wide range of diagnostic, repair and routine maintenance services, backed by one of the best national services warranties in the business. Not sure when your vehicle's due for routine maintenance services? Drop by, and we'll look it up for you!

Check out our

Note: Any recommendations provided on are general in nature. Big O Tires recommends that you always consult your vehicle’s Owner’s Manual, the vehicle manufacturer or an associate at your local Big O Tires store for vehicle specific recommendations. The names and descriptions of services are general in nature. Actual service offerings vary by location, and not all stores offer all services! The availability of our oil change service and the use of Valvoline oil products varies depending on the Big O Tires location near you. Please contact a Big O Tires store near you to find out what services and oil products are offered.


Oct 4, 2018
Lawrence (sp) helped me today . I ran over some nails. He was so helpful and fixed my tire. He loaded it back up for me. It was such a good experience! Thank you!
Business Owner replied on Oct 7, 2018:
Kim, thank you for taking the time to let us know about your experience! We're so pleased to hear that we were able to help you out. We hope that you have a great day!
Cameron Smith, Manager
Jul 28, 2018
I got a good service as I changed my tire and change my oil here every time. Cameron, the manager takes care of people and our vehicle really well. I always have a good service here. Thank you Big O tire 104th.
Jun 1, 2018
Came in late with two bad tires on a trailer I had just bought. Would not have made it home. Cameron helped me out and stayed late so my family and I could make it home safe. Thank you Cameron really appreciate it.
May 29, 2018
Stepen was very friendly and helpful through my experience! He made my experience very fast ! I would recommend to other people !
May 28, 2018
Cameron was very helpful in helping me decide on the right tires for my needs. He was professional and very knowledgeable of his products.
May 15, 2018
The staff at Big O are always friendly, professional. They guarantee there work. I will only go to that store and I will continue to go to that store.
May 11, 2018
I would not recommend you to a friend or family member because I'm not the kind of friend or family member who recommends things. But, my service was fast, great, and Cameron was very helpful!
May 11, 2018
Great customer service!
May 9, 2018
Steve was a great customer service rep. He made me feel totally welcome and appreciated
May 7, 2018
Did great work.
May 7, 2018
Your service was great, my tire was fixed quickly and I was on my way.
May 4, 2018
Always have good service.
May 3, 2018
My 4 tires were installed quickly. The knowledge and suggestions given for the type of tires was very valuable.
Apr 30, 2018
I've had nothing but great interactions with this location. I've brought my car in for a couple of flats, as well as a blow out in which they found a bad bearing and did an alignment. My Prius is in great shape with their help. I also appreciate their quick turnaround. Thanks, Big O , Thornton!
Apr 25, 2018
Great service
Apr 23, 2018
Cameron and his team are top notch and helped us out with 2 flats on a late Saturday and finished in plenty of time. Great communication too.
Apr 23, 2018
Provided diagnostics with no charge
Apr 22, 2018
I was very impressed with everyone. They were all very professional and friendly. Especially Stephen, he had to stay late to put my tires on. He was so nice about it. I will definitely tell my friends about my good experience there.
Apr 17, 2018
Professional, friendly, knowledgeable - worked with Steve at the 104th Ave store in Thornton. Completed work requested and recommended and arranged transport to and from my home so I wouldn't have to sit in the shop for hours.
Apr 11, 2018
My visits over this past year have all been successful. The guys who have assisted me at the counter have been very helpful with pinpointing what services I need and getting my car completed in a very timely manner. Thank you
Apr 10, 2018
Folks took good care of me, replaced tire under Road Hazard policy given nail in sidewall. Many thanks to Cameron, and team.
Apr 9, 2018
Stephen was great. Best experience I have had at a shop.
Apr 9, 2018
Excellent service!
Apr 7, 2018
Love your store. Always friendly and willing to help!
Apr 5, 2018
Stephen Mejin was friendly and personable. I will be a repeat costumer. My car and I where well taken care of.