Marks Auto Service Inc offers complete Service & Maintenance on: Autos, Light Trucks, SUV’s, 4×4’s, Diesels & Hybrids.

  • Diagnostic Service
  • Scheduled Maintenance
  • Major Overhauls & Tune-ups
  • Transmissions & Clutches
  • Air Conditioning
  • 4 Wheel Drive & Front Wheel Drive
  • Shocks & Struts
  • Brakes
  • Hunter Computerized Alignment

  • Gas Diesel Bio Diesel Hybrid
  • Fuel Injection
  • Mufflers & Exhaust
  • Turbos & Superchargers
  • Performance Upgrades
  • Electric Service
  • Radiators
  • Tires, Parts & Accessories
  • Towing Service


The knowledgeable staff at Marks Auto Service offers full service & maintenance & repairs on all makes & models to provide the customer with a one stop auto repair facility. Marks Auto Service Inc uses Mitchell on Demand computerized repair information system for up to date service bulletins & safety recalls on your vehicle. Marks Auto Service Inc is a member of the BBB & Pace-Partners for A Clean Environment. Marks Auto Service Inc is a Napa Auto Care Center as well as a Independent A/C Delco repair facility.

Marks Auto Service Inc has the modern tools & equipment to perform scheduled maintenance & repairs on your vehicle today.

The Warranty on your new vehicle stays in effect when Maintenance is performed here.

Perform preventative maintenance & reduce costly repairs.

Recalls & Trade-ins are the only reason to go back to the dealer.

Marks Auto Service Inc is ranked among the best for customer service & quality of repair for all vehicles in Boulder by its peers as well as receiving top reviews by websites such as CarTalk.