PHONE: (720)279-1981
SERVICE: (720)279-1981

Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • LaCrosse Customer reviews

    Brought in our 2013 Buick Lacrosse for an oil change and tire rotation. Done quickly and the car was washed. Good job. Thanks.


    2013 Buick LaCrosse
  • Sierra 1500 Customer reviews

    Zack Brick went out of his way to find the truck I wanted and even though I have purchased many new vehicles over the years, Zack made this purchase very painless, he is very good at what he does. Da


    2014 GMC Sierra 1500
  • Yukon XL Customer reviews

    I have had my Yukon 2003 serviced at Mc Caddon since it was new 11.5 years ago. Always excellent service and that is whay I drive for over an hour to do the service. Ken Miller


    2003 GMC Yukon XL
  • XTS Customer reviews

    Had oil change , headlamp bulb replaced and the recall in 2013 brake pads ! All done efficiently


    2013 Cadillac XTS
  • SRX Customer reviews

    Always first class, exceptional customer service!


    2014 Cadillac SRX
  • Equinox Customer reviews

    On Tuesday morning, before Thanksgiving, my 2012 Equinox was dead. It gave no indication of any problem the evening before. I couldn't get it out of park, I couldn't remove my key from its ignition,


  • DTS Customer reviews

    I brought my 2008 Cadillac DTS in for warranty work. The catalytic converter caused my check engine light to come on. It was diagnosed as needing to be replaced. Chris set up a time that was convenien


  • CTS Customer reviews

    I have been using your service dept. for almost 20 years, the majority of the people have been nice. Chris is fantastic! You now have a few on the service desk that treat women like they have no clue


  • Encore Customer reviews

    I brought to have a tire fixed on my Buick Encore. The service is phenomenal! Randy in the Service Department is most attentive and always helpful. The place is clean, elegant and the waiting room is


    2013 Buick Encore
  • Escalade Customer reviews

    Dave Singh was great to work with, even offering a loaner car without me asking. Price was a lot but the work and service were excellent Thank you


    2008 Cadillac Escalade


Map and Directions

Please call our Internet Sales Team at (720)279-1981 for immediate service.

Service Specials

    5-Quart Oil Change, 4-Tire Rotation & 27-Point Inspection
    $29 95 Conventional* $39 95 dexos1®*
    *Disclosure Balancing tires, tax, and more than 5 quarts of oil extra. Most V-6 and V-8 engines and other select vehicles require more than 5 quarts of oil. See dealer for eligible vehicles and details. Offer valid through 2/28/2015. Expires expires on 12/31/2014 View Details
  • Brake Pads Installed*
    ACDelco Professional DuraStop®
    $99 95 per axle*
    *Disclosure Turning or replacing rotors, all other services, and tax extra. Excludes Corvette and other select vehicles. Retail customers only. See dealer for eligible vehicles and details. Offer ends 2/28/2015. Not valid with other offers. Expires expires on 12/31/2014 View Details
  • 30-Day Tire Price Guarantee*
    *Disclosure Ad, written estimate, or Internet quote for identical tire(s) from a competing tire retailer/installer located within 50 miles of the dealer required during guarantee period for price match. Offer valid through 2/28/15. Expires expires on 12/31/2014 View Details

McCaddon Cadillac Buick GMC in Boulder - Serving YOU Since 1958!

Get only the finest new and used cars, from the best Boulder car dealership near Denver and Longmont! Come see our new inventory of Cadillac, GMC and Buick models, plus our large inventory of certified pre-owned vehicles. We're your family owned and operated Boulder Cadillac Buick GMC dealership, located at 48th and Pearl Parkway near Denver.

Nearby Used Cadillac Denver Dealer - Pre-Owned Boulder and Longmont Source

Get only the best pre-owned cars in Colorado, from the most reputable used car dealer. Our selection of certified pre-owned cars and trucks are vigorously inspected, detailed, and thoroughly reconditioned. You'll find a great selection of Boulder, Denver and Longmont used cars right here at McCaddon.

Our excellent track record is proven daily. We serve the Denver and Longmont car dealer area, with the most professional and friendly sales and service staff. Our customers are treated with the utmost integrity, honesty, and professionalism. We have been an integral part of the Boulder community since 1958!

Stop by and visit with one of our knowledgeable Certified Sales Consultants. See how we can make the difference! Add us to your shopping list and let us do the work for you!

GM Auto Service in Boulder – Serving Denver Buick GMC Cadillac Drivers

McCaddon has been serving Boulder County, Denver and Longmont Cadillac, Buick, and GMC drivers since 1958. Our Certified Service Center offers a great value on Boulder Cadillac Buick GMC service with competitively priced service menu items. Our ASE Certified, GM-trained technicians and Genuine GM Parts are just a few of the many reasons to bring your Denver GMC or Buick vehicle into McCaddon for service. Our service staff will amaze!

Nearby Denver Cadillac Dealer in Boulder, CO

We are a nearby Denver Cadillac Dealer with top notch staff, inventory, and facilities. Come see the all-new Cadillac CTS, XTS V-Sport, ATS, SRX, and Escalade! See how Cadillac Cue can help you be connected. We look forward to giving you the World-Class experience you deserve here in Boulder near Denver and Longmont!

Denver and Longmont Buick Dealer - Boulder Buick Dealer

McCaddon Buick GMC of Boulder is proud to serve as your Denver Boulder and Longmont Buick luxury vehicle dealership. We carry the complete line of world-class Buick vehicles. We invite you to test drive a new Denver Buick Enclave, Regal or LaCrosse. We're also pleased to present Buick's all-new Verano, available for Denver and Longmont drivers to test drive. Please request a quick quote for more information on these renowned cars.

Denver and Longmont GMC - Boulder GMC Dealer

McCaddon GMC also carries great selections of new and used GMC SUVs and trucks. We maintain a great stock of Sierra pickups for Longmont GMC drivers to choose from, as well as Acadia and Yukon SUVs. Please browse our complete inventory to view our extensive collection of vehicles, or visit us here in Boulder for a great Denver GMC Yukon dealership alternative! We carry Acadia Denali and supply Denver GMC Terrain Denali models from Boulder.

Service | Parts Order Form | GM Accessories

Buick: Enclave | Encore | LaCrosse | Regal | Verano

Cadillac: ATS | CTS Coupe | CTS Sedan | Escalade | SRX | XTS

GMC: Acadia | Savana Cargo Van | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon | Yukon XL