Featured Vehicles

  • 2014 Honda Ridgeline in  El Cajon CA
    2014 Honda Ridgeline

    $ 24,900

  • 2011 Honda Fit in  El Cajon CA
    2011 Honda Fit

    $ 11,900

  • 2010 Acura MDX in  El Cajon CA
    2010 Acura MDX

    $ 23,900

  • 2015 Mazda Mazda3 in  El Cajon CA
    2015 Mazda Mazda3

    $ 15,500

  • 2012 Honda Accord in  El Cajon CA
    2012 Honda Accord

    $ 13,900

  • 2012 Nissan Frontier in  El Cajon CA
    2012 Nissan Frontier

    $ 18,900

  • 2012 Chevrolet Tahoe in  El Cajon CA
    2012 Chevrolet Tahoe

    $ 25,900

  • 2011 Nissan Titan in  El Cajon CA
    2011 Nissan Titan

    $ 19,900

  • 2013 Toyota Highlander in  El Cajon CA
    2013 Toyota Highlander

    $ 29,500

  • 2011 Chevrolet Equinox in  El Cajon CA
    2011 Chevrolet Equinox

    $ 14,900

  • 2009 Mercedes-Benz C-Class in  El Cajon CA
    2009 Mercedes-Benz C-Class

    $ 14,900

  • 2007 Ford Mustang in  El Cajon CA
    2007 Ford Mustang

    $ 13,500

  • 2013 Lexus GS 350 in  El Cajon CA
    2013 Lexus GS 350

    $ 26,900

  • 2012 Chevrolet Silverado 1500 in  El Cajon CA
    2012 Chevrolet Silverado 1500

    Call for price

  • 2012 Ram 1500 in  El Cajon CA
    2012 Ram 1500

    Call for price

  • 2015 Kia Optima in  El Cajon CA
    2015 Kia Optima

    Call for price

  • 2015 Kia Optima in  El Cajon CA
    2015 Kia Optima

    Call for price

  • 2013 Acura ILX in  El Cajon CA
    2013 Acura ILX

    Call for price

  • 2014 Ram 3500 in  El Cajon CA
    2014 Ram 3500

    Call for price

  • 2013 Lexus CT 200h in  El Cajon CA
    2013 Lexus CT 200h

    Call for price

Rock Financing

  • Over 50 lenders to serve you
  • Rates as low as 1.99% on approved credit
  • See dealer for details

Credit Challenged?

  • First time buyer, bad credit, no credit, repos, foreclosures?
  • We can help! Over 30 years of special finance experience.
  • Apply today!

Featured Trucks

  • 2014 Honda Ridgeline in  El Cajon CA
    2014 Honda Ridgeline

    $ 24,900

  • 2012 Nissan Frontier in  El Cajon CA
    2012 Nissan Frontier

    $ 18,900

  • 2011 Nissan Titan in  El Cajon CA
    2011 Nissan Titan

    $ 19,900

  • 2012 Chevrolet Silverado 1500 in  El Cajon CA
    2012 Chevrolet Silverado 1500

    Call for price

  • 2012 Ram 1500 in  El Cajon CA
    2012 Ram 1500

    Call for price

  • 2014 Ram 3500 in  El Cajon CA
    2014 Ram 3500

    Call for price

  • 2010 Chevrolet Silverado 1500 in  El Cajon CA
    2010 Chevrolet Silverado 1500

    Call for price

  • 2013 Ram 1500 in  El Cajon CA
    2013 Ram 1500

    Call for price

  • 2014 Ram 1500 in  El Cajon CA
    2014 Ram 1500

    Call for price

  • 2011 Nissan Frontier in  El Cajon CA
    2011 Nissan Frontier

    Call for price

  • 2005 GMC Sierra 1500 in  El Cajon CA
    2005 GMC Sierra 1500

    $ 11,400

  • 2007 Toyota Tundra in  El Cajon CA
    2007 Toyota Tundra

    $ 21,800

  • 2013 Nissan Frontier in  El Cajon CA
    2013 Nissan Frontier

    $ 17,900

  • 2014 Toyota Tundra in  El Cajon CA
    2014 Toyota Tundra

    $ 33,500

  • 2012 Chevrolet Colorado in  El Cajon CA
    2012 Chevrolet Colorado

    $ 21,800

  • 2006 Dodge Dakota in  El Cajon CA
    2006 Dodge Dakota

    $ 10,800

  • 2013 Toyota Tacoma in  El Cajon CA
    2013 Toyota Tacoma

    $ 20,900

  • 2006 Nissan Titan in  El Cajon CA
    2006 Nissan Titan

    $ 12,900

  • 2005 Nissan Titan in  El Cajon CA
    2005 Nissan Titan

    $ 13,900

  • 2013 Toyota Tacoma in  El Cajon CA
    2013 Toyota Tacoma

    $ 28,800

About Us

Used Car Dealership of San Diego – Go Rock Auto

Rock Auto Group is the premier San Diego used car dealership! Located at 464 West Main St., El Cajon, CA 92020 in El Cajon, Rock Auto has been helping people find cars in El Cajon and all of San Diego county. We are a Certified Pre-Owned Dealer of San Diego. Check out our local inventory of over 500 vehicles to see the latest certified used cars, SUVs, and trucks of all makes and models sold right here in San Diego. Since 1991, Rock Auto strives to match the best used cars with San Diegans. Rock Auto has been featured at the giant used car tent sale at Qualcomm stadium, as well as the exclusive dealership at certain Walmart tent sales. We are conveniently located in off of El Cajon Boulevard from the Interstate 8 and feel free to call us at (619)401-1500 for any questions you have about our inventory. We offer all makes and models, including: Toyota, Honda, Ford, Jeep, Chevrolet, Ram, Nissan, BMW, Lexus, Dodge, Mercedes, Infiniti, Range Rover, and more! Want to sell your car? We have a team of appraisers ready to give you an instant quote on your car. Trade your car in for cash or towards the purchase of another used car. Our team members are here to ensure your customer satisfaction and speedy visit. Rock Auto of El Cajon, San Diego, wants San Diegans to leave with the car of their dreams!