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

  • Silverado 1500 Customer reviews

    Warranty work was great. Add on suggestions did not seem to match what Chevrolet recommends.

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  • Yukon Customer reviews

    Just in for oil change and tire rotation. Dave Singh is always so helpful and informative.

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    2012 GMC Yukon
  • XTS Customer reviews

    I appreciated the excellent professional service and the quick efficient in and out scheduled Oil change and Tire Rotation service.Thank you all!Barb Fleming

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    2014 Cadillac XTS
  • Escalade Customer reviews

    As always, my experience at the McCaddon Service department was fantastic; bar none! Having a loaner car offered to me without even asking is the best part of the service offering. Everything else wa

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    2011 Cadillac Escalade
  • DTS Customer reviews

    2007 DTSOil change, tire rotation, injector service.As always, great service, great staff.

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  • Bravada Customer reviews

    McCaddon's is an outstanding dealership and I have been coming to McCaddon's for a number of years. It is just a class act!

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  • SRX Customer reviews

    Cam in for oil change and normal vehicle check. Found an issue and ordered the part. ***************** usual.

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    2013 Cadillac SRX
  • Silverado 1500 Customer reviews

    Always a great and experience at McCaddon. I've bought 3 vehicles there and will buy a fourth.

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  • Enclave Customer reviews

    I had an appointment for service at 2:00 pm and they were ready for me and my 2010 Enclave. The service was fast and thorough. Jon Berry was the advisor and everything went well.

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    2010 Buick Enclave
  • Yukon XL Denali Customer reviews

    Our 2004 GMC Yukon XL Denali needed a lot of work done and Jeff Clark got it in managed the service and got it out to us in very good time. We will always bring our cars to Mccaddons for service and

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Map and Directions

Service Specials

  • $100 Tire Rebate*
    Mail-in rebate (debit card)* on a set of four select tires.
    *Disclosure See dealer for details and rebate form, which must be postmarked by 06/30/2015. Allow 6 to 8 weeks for delivery of debit card. Not valid with other offers. Offer valid 4/1/15- 5/31/15. Expires expires on 05/31/2015 View Details
  • $50 Tire Rebate*
    Mail-in rebate (debit card)* on a set of four select tires.
    *Disclosure See dealer for details and rebate form, which must be postmarked by 6/30/15. Allow 6 to 8 weeks for delivery of debit card. Offer valid 4/1/15-5/31/15. Expires expires on 05/31/2015 View Details
  • 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 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.

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 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 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 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.

Boulder GMC Dealer Serving Denver and Longmont

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 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