EXHIBIT 21.1 10-K SUBSIDIARY LIST Koons Ford, Inc. dba World Ford Pembroke Pines dba World Ford Hollywood dba World Auto Center dba World Automotive Group Florida corporation Perimeter Ford, Inc. dba World Ford Sandy Springs Delaware corporation Key Ford, Inc. dba World Ford Pensacola dba World Ford Navy Florida corporation Courtesy Ford, Inc. dba World Ford Kendall Florida corporation Bob Howard Automotive - H, Inc. Oklahoma corporation Bob Howard Chevrolet, Inc. dba Bob Howard Subaru dba Bob Howard Chevrolet-Geo Oklahoma corporation Bob Howard Dodge, Inc. dba N/A Oklahoma corporation Bob Howard Motors, Inc. dba Bob Howard Toyota Oklahoma corporation Bob Howard Nissan, Inc. dba N/A Oklahoma corporation Jim Tidwell Ford, Inc. dba Jim Tidwell's World Ford Delaware Corporation Howard-DC, Inc. dba N/A Delaware corporation Howard-GM, Inc. dba Bob Howard Pontiac dba Bob Howard GMC Truck Delaware corporation Howard-SI, Inc. dba Bob Howard Isuzu Delaware corporation Howard Pontiac-GMC, Inc. dba Bob Howard Automall Oklahoma corporation Bob Howard Automotive-East, Inc. dba South Pointe Chevrolet Oklahoma corporation Bob Howard German Imports, Inc. dba Mercedes-Benz of Oklahoma City Oklahoma corporation Casa Chevrolet Inc. dba Casa Chevrolet at Lomas & Louisiana New Mexico corporation Casa Chrysler Plymouth Jeep Inc. dba Casa Chrysler Jeep on the Westside New Mexico corporation Sunshine Buick Pontiac GMC Truck, Inc. dba Sunshine Buick Pontiac GMC New Mexico corporation Chaperral Dodge, Ltd. dba N/A Texas limited partnership Colonial Chrysler-Plymouth, Ltd. dba N/A Texas limited partnership Courtesy Nissan, Inc. dba N/A Texas corporation Kutz-DC, Ltd. dba McKinney Dodge Texas limited partnership Luby Chevrolet Co. dba N/A Delaware corporation Maxwell Chrysler Plymouth Dodge Jeep Eagle, Ltd. dba Maxwell Superstore Texas limited partnership Prestige Chrysler Plymouth Northwest, Ltd. dba Maxwell Dodge Texas limited partnership Prestige Chrysler Plymouth South, Ltd. dba Maxwell South Texas limited partnership Group 1 LP Interests-S, Inc. dba N/A Delaware corporation Group 1 LP Interests-H, Inc. dba N/A Delaware corporation Group 1 LP Interests-DC, Inc. dba N/A Delaware corporation Group 1 LP Interests-GM, Inc. dba N/A Delaware corporation Group 1 Realty, Inc. dba N/A Delaware corporation Group 1 LP Interests-T, Inc. dba N/A Delaware corporation Group 1 LP Interests-N, Inc. dba N/A Delaware corporation Group 1 Associates, Inc. dba N/A Delaware corporation Maxwell Ford, Ltd. dba N/A Texas limited partnership Group 1 LP Interests - F, Inc. dba N/A Delaware corporation Maxwell-FII, Ltd. dba Maxwell Ford of Elgin Texas limited partnership Round Rock Nissan, Inc. dba Maxwell Nissan Round Rock Texas corporation Smith, Liu & Kutz, Inc. dba N/A Texas corporation Maxwell-SM, Ltd. dba Maxwell Mitsubishi North Texas limited partnership Town North Nissan, Inc. dba Maxwell Nissan North Texas corporation Foyt Motors, Inc. dba A.J. Foyt Honda/Isuzu Texas corporation McCall-TL, Ltd. dba Sterling McCall Lexus dba Lexus of Clear Lake Texas limited partnership McCall-H, Inc. dba Sterling McCall Honda of Kingwood Texas corporation McCall-SI, Inc. dba Sterling McCall Isuzu of Kingwood Texas corporation McCall-HA, Ltd. dba Sterling McCall Acura Texas limited partnership McCall-T, Ltd. dba Sterling McCall Toyota Texas limited partnership McCall-TII, Ltd. dba Sterling McCall Toyota - Fort Bend Texas limited partnership Lubbock Motors - F, Ltd. dba Gene Messer Ford Texas limited partnership Lubbock Motors - T, Ltd. dba Gene Messer Toyota Texas limited partnership Lubbock Motors - S, Ltd. dba Gene Messer Mitsubishi dba Gene Messer Volkswagen dba Gene Messer Kia Texas limited partnership Lubbock Motors, Ltd. dba The Credit Connection dba The Credit Connection of Amarillo Texas limited partnership Rockwall Automotive - F, Ltd. dba Rockwall Ford-Mercury Texas limited partnership Rockwall Automotive - DCD, Ltd. dba Rockwall Dodge Texas limited partnership Amarillo Motors -C, Ltd. dba Gene Messer Cadillac dba Gene Messer Mitsubishi Texas limited partnership Amarillo Motors -SM, Ltd. dba Gene Messer Mitsubishi of Amarillo Texas limited partnership Lubbock Motors -SH, Ltd. dba Gene Messer Hyundai Texas limited partnership Amarillo Motors -FM, Ltd. dba Gene Messer Mazda Texas limited partnership Amarillo Motors - F, Ltd. dba Amarillo Ford dba Gene Messer Ford of Amarillo Texas limited partnership Amarillo Motors - J, Ltd. dba Gene Messer Jeep dba Gene Messer Chrysler-Plymouth dba Gene Messer Chrysler-Plymouth Jeep Texas limited partnership Mike Smith Automotive - H, Inc. dba Mike Smith Honda Delaware corporation Mike Smith Automotive - N, Inc. dba Mike Smith Nissan Texas corporation Mike Smith Autoplaza, Inc. dba N/A Texas corporation Mike Smith Autoplex, Inc. dba N/A Texas corporation Mike Smith Autoplex Buick, Inc. dba N/A Texas corporation Mike Smith Autoplex Dodge, Inc. dba Mike Smith Dodge Texas corporation Mike Smith Autoplex-German Imports, Inc. dba N/A Texas corporation Mike Smith Autoplex-V, Inc. dba N/A Texas corporation Mike Smith GM, Inc. dba N/A Delaware corporation Mike Smith Imports, Inc. dba N/A Texas corporation Mike Smith Motors, Inc. dba N/A Texas corporation Harvey -T, Inc. dba N/A Delaware corporation Harvey Ford, LLC dba Don Bohn Ford dba Don Bohn Used Cars Delaware limited liability company Harvey GM, LLC dba Don Bohn Buick, Pontiac GMC dba Don Bohn Used Cars Delaware limited liability company Harvey Operations - T, LLC dba Bohn Brothers Toyota Delaware limited liability company Danvers-T, Inc. dba Ira Toyota Delaware corporation Danvers-DC, Inc. dba Ira Dodge - Jeep Delaware corporation Danvers-DCII, Inc. dba Ira Dodge - Medford Delaware corporation Danvers-GM, Inc. dba Ira Pontiac-Buick Delaware corporation Danvers-S, Inc. dba Ira Mazda - Isuzu dba Ira Porsche - Audi Delaware corporation Danvers-SU, Inc. dba Ira Subaru Delaware corporation Ira Automotive Group, LLC dba N/A Delaware limited liability company Danvers-DCIII, Inc. dba Ira Dodge - Lowell Delaware corporation Danvers-TL, Inc. dba Ira Lexus Delaware corporation Group 1 Holdings-DC, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-F, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-GM, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-H, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-N, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-S, L.L.C. dba N/A Delaware limited liability company Group 1 Holdings-T, L.L.C. dba N/A Delaware limited liability company GPI Atlanta-FLM, Inc. dba World Lincoln - Mercury Snellville Delaware corporation GPI Atlanta-T, Inc. dba World Toyota Delaware corporation GPI Atlanta-F, Inc. dba World Ford Stone Mountain Georgia corporation Group 1 Automotive Reinsurance, Ltd. dba N/A Nevis Island corporation Group 1 Automotive Reinsurance TWO, Ltd. dba N/A Nevis Island corporation Howard-GM II, Inc. dba John Smicklas Chevrolet Delaware corporation Bohn-F II, L.L.C. dba Bohn Ford Delaware limited liability Bohn Holdings-F, Inc. dba N/A Delaware corporation Bohn Holdings-GM, Inc. dba N/A Delaware corporation GPI Atlanta-FLM II, Inc. dba World Lincoln Mercury Alpharetta dba Wade Lincoln Mercury Delaware corporation GPI, Ltd. dba N/A Texas limited partnership Howard-H, Inc. dba Bob Howard Honda Delaware corporation Howard-HA, Inc. dba Bob Howard Acura Delaware corporation