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CarMax Auto Superstore

Rockville

15931 Frederick Road
Rockville, Maryland 20855
Exit 8 off I-270. Right onto Redland. Left on 355. 1/4 mile on right by Metro.

Local (301) 947-9790
Toll Free (888) 654-9898
Fax (301) 519-7337

  • Showroom Hours

    Mon-Fri 10-9
    Sat 9-9
    Sun 11-7

  • Service Dept. Hours

    Mon-Fri 7:30-6

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Better MPG: Find it here

Our website now lets you specify miles per gallon, so as you search for cars at this store, you can find better MPG.