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Dealer Of the Year
PHONE: (720)279-1981
SERVICE: (720)279-1981
Email Inquiry Search Pre-Owned Get Qualified New Specials Pre-Owned Specials
 
Please call our Internet Sales Team at (720)279-1981 for immediate service.

Specials

  • All Buick Vehicles
    Includes 2 Yr Free Maintenance*
    All Buick Vehicles
    *Disclosure Covers only scheduled oil changes with filter and tire rotations according to you new vehicles recommended maintenance schedule for up to 2 years or 24,000 miles. whichever comes first. Does not include air filters, Maximum of four service events. See Dealer for complete details View Inventory
  • All Cadillac Vehicles
    Includes 4 Yr Free Maintenance*
    All Cadillac Vehicles
    *Disclosure Covers only scheduled oil changes with filter and tire rotations according to you new vehicles recommended maintenance schedule for up to 2 years or 50,000 miles. whichever comes first. Does not include air filters, Maximum of four service events. See Dealer for complete details View Inventory
  • All GMC Vehicles
    Includes 2 Yr Free Maintenance*
    All GMC Vehicles
    *Disclosure Covers only scheduled oil changes with filter and tire rotations according to you new vehicles recommended maintenance schedule for up to 2 years or 24,000 miles. whichever comes first. Does not include air filters, Maximum of four service events. See Dealer for complete details View Inventory

Customer reviews

4.8 / 5

Dealer Rating

Our average rating from our customers is

4.8 / 5

Read Reviews

  • Enclave Customer reviews

    My 2014 Buick enclave for oil change service, got fast and prompt service.

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    2014 Buick Enclave
  • Escalade Customer reviews

    Dave Singh was very courteous, called me as he said he would, and handled the bill in a very professional manner. Work completed on time, so I had no issues.

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    2002 Cadillac Escalade
  • Yukon XL Customer reviews

    I brought in our Yukon XL for regularly scheduled maintenance. The staff was very helpful, in particular Chris Cook who went out of his way to explain options, make recommendations and also follow up

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    2002 GMC Yukon XL
  • Camaro Customer reviews

    Always excellent! Helpful, honest, caring staff :)

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  • Grand Prix Customer reviews

    Chris in the service department always takes very good care of my car and me. He is great.My car doesn't have a warranty, but they always do a very good job. I trust them to fix my two cars right. I

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  • Sierra 3500HD Customer reviews

    Always a great experience at McCaddon's for service. My crew cab dually GMC Sierra is always taken care of quickly and right. Jeff Clark is always letting me know what is happening. He does a great jo

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    2012 GMC Sierra 3500HD
  • Acadia Customer reviews

    I purchased a 2015 Acadia... sales team was helpful, and efficient.

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    2015 GMC Acadia
  • LaCrosse Customer reviews

    I purchased my Buick LaCrosse used, and recently the motor had issues. After diagnostics by McCaddon, it was discovered that the engine needed replaced. I was 1600 miles over the warranty, but John

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    2010 Buick LaCrosse
  • SRX Customer reviews

    Was very professional!

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    2013 Cadillac SRX
  • Intrigue Customer reviews

    Everyone is so nice and helpfu, especially John and Dave in the service dept. It's a pleasant place with choice of two comfy waiting rooms. I love the free ride home if my car has to stay and the driv

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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 12/31/2015 View Details

McCaddon Cadillac Buick GMC - Serving Boulder & Denver Cadillac, Buick & GMC Customers Since 1958!

Get only the finest new and used cars from the best Boulder Buick, GMC and Cadillac 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.

Used Cadillac Dealer - Near Longmont and Denver

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 Longmont and Denver Cadillac, Buick, and GMC customers 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!

Get in touch with one of the knowledgeable certified sales consultants at our Boulder Buick, GMC and Cadillac dealership. 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 offerings. Our ASE certified, GM-trained technicians and genuine GM parts are just a few of the many reasons to bring your Denver Cadillac, GMC or Buick vehicle into McCaddon for service. Our service staff will amaze!

Nearby Denver Area Cadillac Dealer in Boulder, CO

We are your Denver area Cadillac dealer alternative with top notch staff, inventory, and facilities. Come see the all-new Cadillac CTS, XTS, ATS, SRX, and Escalade! Denver Cadillac customers, 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!

Boulder Buick Dealer Serving Denver and Longmont

McCaddon Cadillac Buick GMC of Boulder is proud to serve as your Denver 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 the all-new Verano, available for Longmont and Denver Buick enthusiasts to test drive. Please request a quick quote for more information on these renowned cars.

Longmont & Denver GMC Source in Boulder

McCaddon GMC also carries a great selection of new and used GMC SUVs and trucks. We maintain a great inventory 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 area GMC Yukon dealership alternative! We carry the 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