Dealer Of the Year
PHONE: (720)279-1981
SERVICE: (720)279-1981
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Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • LaCrosse Customer reviews

    Outstanding service as always. Got my oil changed, new tires, detailed clean, camshaft actuator. The men at the desk are polite and helpful. They took me right to wok with no delay. Really first rate.


    2012 Buick LaCrosse
  • DTS Customer reviews

    you are like familyto me!


  • SRX Customer reviews

    This was my first service visit since I purchased my Cadillac SRX. Everything was great: friendly greeting, clear directions, prompt service, a freshly washed car, and gracious people in the servi


    2014 Cadillac SRX
  • VUE Customer reviews

    I first started dealing with McCaddon when I bought a Cutlass Ciera in 1984, that was followed by a 1992 Cutlass Supreme, a 1993 GMC Safari (used), a 1994 Olds Achieva (used - should have been called


  • CTS Customer reviews

    Again, it boils down to the people that work there and the culture that is present in the dealership. The staff, and specifically Chris Cook, are the best of any dealership in my experience. They ar


  • Traverse Customer reviews

    This rating is not based on just the recent visit for the Traverse. Chris Cook consistently provides SUPERIOR service. We have a choice of mechanics - as you know - and we choose McCaddon's because


  • G6 Customer reviews

    Awesome as always, they were even able to squeeze me in for critical service without an appointment.


  • SRX Customer reviews

    Friendly, timely and quality communication


    2011 Cadillac SRX
  • SRX Customer reviews

    Casual, prompt, friendly. Service was performed in a timely manor, the staff was most helpful.The service performed was scheduled maintenance and also included a GM recall notice.Both services were p


    2014 Cadillac SRX
  • Ion Customer reviews

    Just a quick oil/lube change. Welcomed promptly, waited at dealership, short wait, services explained, car washed, and on my way.


Map and Directions

Service Specials

  • Everyday Value Price*
    5-Quart Oil Change, 4-Tire Rotation & Multi-Point Vehicle Inspection
    $39 07 Conventional* $39 95 dexos1*
    *Disclosure Tire balancing, 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 12/31/15. Expires expires on 12/31/2015 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. Warranty to the original retail purchaser. See dealer for details. Offer valid through 12/31/15. Expires expires on 12/31/2015 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 100 miles of the dealer required during guarantee period for price match. Offer valid through 12/31/15. Expires expires on 03/31/2015 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, and GMC dealership, located at 48th and Pearl Parkway near Denver.

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

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 and Longmont GMC, Cadillac, and Buick Drivers

McCaddon has been serving Boulder County, Denver and Longmont GMC, Cadillac, and Buick drivers since 1958. Our Certified Service Center offers a great value on Boulder Cadillac, Buick, and 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 in Boulder

McCaddon Cadillac 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 in Boulder

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 and Longmont 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 | ATS Coupe | CTS Sedan | Escalade | SRX | XTS
GMC: Acadia | Canyon | Savana Cargo Van | Savana Passenger Van | Sierra 1500 | Sierra 2500HD | Sierra 3500HD | Terrain | Yukon