| AL PIEMONTE BUICK GMC Elmhurst, IL | 9 | -$11,513 | 9 |
| D'ARCY BUICK-GMC Joliet, IL | 3 | -$7,847 | 3 |
| VERMILION CHEVROLET GMC Tilton, IL | 5 | -$7,415 | 5 |
| COFFMAN TRUCK SALES, INC. Aurora, IL | 2 | -$7,298 | 2 |
| K. C. SUMMERS BUICK GMC Mattoon, IL | 3 | -$7,235 | 3 |
| HARVARD CHEVROLET-GMC, LLC Harvard, IL | 1 | -$7,161 | 1 |
| HELLER CHEVROLET GMC, LLC El Paso, IL | 12 | -$7,025 | 11 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 15 | -$6,313 | 15 |
| BILL KAY BUICK GMC Downers Grove, IL | 1 | -$6,285 | 1 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 27 | -$6,068 | 26 |
| RIZZA BUICK GMC CADILLAC, INC. Tinley Park, IL | 2 | -$5,276 | 2 |
| UNITED GMC Jacksonville, IL | 9 | -$5,149 | 7 |
| ESSIG-MOTORS INC. Aledo, IL | 1 | -$5,000 | 1 |
| ADVANTAGE BUICK GMC La Grange, IL | 8 | -$4,953 | 8 |
| MARSHALL CHEVROLET GMC, INC. Jerseyville, IL | 1 | -$4,500 | 1 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 7 | -$4,482 | 7 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 35 | -$4,447 | 32 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 7 | -$4,294 | 7 |
| CASTLE CHEVROLET OF MCHENRY Mchenry, IL | 2 | -$3,661 | 2 |
| ED MORSE CHEVROLET GMC SOUTHWEST Red Bud, IL | 14 | -$3,633 | 13 |
| KUNES GMC Belvidere, IL | 2 | -$3,500 | 2 |
| HAGGERTY BUICK GMC, INC. Villa Park, IL | 17 | -$3,365 | 15 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 1 | -$3,170 | 1 |
| FOX VALLEY GMC, INC. Saint Charles, IL | 6 | -$3,003 | 6 |
| PRINCETON AUTOMOTIVE Princeton, IL | 4 | -$2,938 | 4 |
| LANDMARK OF TAYLORVILLE, INC. Taylorville, IL | 9 | -$2,790 | 6 |
| ED MORSE CHEVROLET GMC Kewanee, IL | 21 | -$2,671 | 20 |
| MEIER CHEVROLET-GMC, INC. Sparta, IL | 3 | -$2,667 | 3 |
| SHIELDS AUTOMART OF PAXTON, INC. Paxton, IL | 2 | -$2,500 | 2 |
| DEKALB SYCAMORE CHEVROLET GMC Sycamore, IL | 2 | -$2,400 | 2 |
| S & K BUICK-GMC, INC. Springfield, IL | 13 | -$2,369 | 13 |
| DRALLE CHEVROLET BUICK GMC Watseka, IL | 7 | -$2,104 | 6 |
| BARKER MOTOR COMPANY Bloomington, IL | 4 | -$1,993 | 3 |
| HAMBLOCK CHEVROLET GMC Ottawa, IL | 4 | -$1,468 | 2 |
| ARLINGTON HEIGHTS BUICK GMC Arlington Heights, IL | 5 | -$437 | 3 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 20 | -$300 | 20 |
| HOSICK MOTORS INCORPORATED Vandalia, IL | 3 | $0 | 3 |
| WOODY BUICK-GMC, INC. Naperville, IL | 17 | $0 | 17 |
| MIKE HAGGERTY BUICK GMC, INC. Oak Lawn, IL | 6 | $0 | 6 |
| JEFF PERRY BUICK GMC Peru, IL | 2 | $0 | 2 |
| YEMM CHEVROLET-BUICK-GMC Galesburg, IL | 7 | $0 | 7 |
| AUFFENBERG OF CARBONDALE Carbondale, IL | 1 | $0 | 1 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 10 | $0 | 10 |
| MARQUARDT OF BARRINGTON Barrington, IL | 1 | $0 | 1 |
| QUALITY BUICK GMC Alton, IL | 3 | $0 | 3 |
| BATES CHEVROLET GMC Carlinville, IL | 5 | $0 | 5 |
| STEVE SCHMITT OF LITCHFIELD INC. Litchfield, IL | 2 | $0 | 2 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 3 | $0 | 3 |
| GREENWAY GMC, INC. Morris, IL | 2 | $0 | 2 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 157 | $0 | 157 |
| LIGHTHOUSE BUICK GMC Morton, IL | 65 | +$121 | 64 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 14 | +$323 | 13 |