| JACKSON FAMILY OF DEALERSHIPS Sullivan, IL | 1 | -$10,789 | 1 |
| AL PIEMONTE BUICK GMC Elmhurst, IL | 5 | -$9,988 | 4 |
| BILL KAY BUICK GMC Downers Grove, IL | 2 | -$9,141 | 2 |
| LANDMARK OF TAYLORVILLE, INC. Taylorville, IL | 4 | -$8,478 | 4 |
| BARKER MOTOR COMPANY Bloomington, IL | 9 | -$8,451 | 8 |
| D'ARCY BUICK-GMC Joliet, IL | 6 | -$8,148 | 6 |
| CARDINAL BUICK GMC INC. Belleville, IL | 4 | -$7,824 | 4 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 6 | -$7,790 | 6 |
| VERMILION CHEVROLET GMC Tilton, IL | 1 | -$7,584 | 1 |
| GREENWAY GMC, INC. Morris, IL | 4 | -$7,495 | 4 |
| HELLER CHEVROLET GMC, LLC El Paso, IL | 13 | -$7,445 | 13 |
| S & K BUICK-GMC, INC. Springfield, IL | 9 | -$7,410 | 9 |
| K. C. SUMMERS BUICK GMC Mattoon, IL | 6 | -$7,394 | 6 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 14 | -$7,214 | 7 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 5 | -$6,911 | 5 |
| ADVANTAGE BUICK GMC La Grange, IL | 6 | -$6,659 | 6 |
| TERA CHEVROLET GMC Sandwich, IL | 4 | -$6,550 | 4 |
| BOCKER AUTO GROUP Freeport, IL | 2 | -$6,318 | 2 |
| CASTLE CHEVROLET OF MCHENRY Mchenry, IL | 5 | -$6,196 | 5 |
| RUSS BRAUNECKER BUICK GMC Effingham, IL | 3 | -$6,048 | 3 |
| HOVE BUICK GMC INC. Bradley, IL | 4 | -$5,716 | 3 |
| HARVARD CHEVROLET-GMC, LLC Harvard, IL | 1 | -$5,709 | 1 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 4 | -$5,571 | 4 |
| LOU BACHRODT CHEVROLET BUICK GMC Rockford, IL | 1 | -$5,092 | 1 |
| ESSIG-MOTORS INC. Aledo, IL | 2 | -$4,750 | 2 |
| PRINCETON AUTOMOTIVE Princeton, IL | 1 | -$4,721 | 1 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 11 | -$4,397 | 9 |
| DRALLE CHEVROLET BUICK GMC Watseka, IL | 3 | -$4,198 | 2 |
| HOSICK MOTORS INCORPORATED Vandalia, IL | 1 | -$4,137 | 1 |
| DEKALB SYCAMORE CHEVROLET GMC Sycamore, IL | 2 | -$4,050 | 1 |
| SHIELDS AUTOMART OF PAXTON, INC. Paxton, IL | 1 | -$3,985 | 1 |
| STEVE SCHMITT, INC. Highland, IL | 6 | -$3,961 | 6 |
| STEVE SCHMITT OF LITCHFIELD INC. Litchfield, IL | 7 | -$3,913 | 7 |
| ARLINGTON HEIGHTS BUICK GMC Arlington Heights, IL | 10 | -$3,866 | 9 |
| ED MORSE CHEVROLET GMC SOUTHWEST Red Bud, IL | 15 | -$3,788 | 13 |
| KUNES GMC Belvidere, IL | 4 | -$3,243 | 4 |
| ED MORSE CHEVROLET GMC Kewanee, IL | 13 | -$2,661 | 12 |
| ARNIE BAUER CHEVROLET GMC Wilmington, IL | 1 | -$2,500 | 1 |
| MEIER CHEVROLET-GMC, INC. Sparta, IL | 4 | -$2,500 | 4 |
| HAGGERTY BUICK GMC, INC. Villa Park, IL | 4 | -$1,074 | 3 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 7 | -$988 | 6 |
| JEFF PERRY BUICK GMC Peru, IL | 4 | $0 | 4 |
| YEMM CHEVROLET-BUICK-GMC Galesburg, IL | 3 | $0 | 3 |
| DRISCOLL MOTOR CO., INC. Pontiac, IL | 1 | $0 | 1 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 1 | $0 | 1 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 138 | $0 | 138 |
| WOODY BUICK-GMC, INC. Naperville, IL | 35 | $0 | 35 |
| LIGHTHOUSE BUICK GMC Morton, IL | 44 | $0 | 44 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 18 | $0 | 18 |
| QUALITY BUICK GMC Alton, IL | 6 | $0 | 6 |
| MIKE HAGGERTY BUICK GMC, INC. Oak Lawn, IL | 2 | $0 | 2 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 7 | +$1,247 | 5 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 8 | +$9,179 | 4 |