| AL PIEMONTE BUICK GMC Elmhurst, IL | 4 | -$5,542 | 4 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 1 | -$5,537 | 1 |
| HELLER CHEVROLET GMC, LLC El Paso, IL | 4 | -$5,527 | 4 |
| STEVE SCHMITT, INC. Highland, IL | 1 | -$5,427 | 1 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 13 | -$5,280 | 13 |
| NAPLETON BUICK GMC Crystal Lake, IL | 1 | -$5,139 | 1 |
| D'ARCY BUICK-GMC Joliet, IL | 5 | -$5,085 | 5 |
| BILL KAY BUICK GMC Downers Grove, IL | 1 | -$4,720 | 1 |
| S & K BUICK-GMC, INC. Springfield, IL | 2 | -$4,668 | 2 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 2 | -$4,625 | 2 |
| GREENWAY GMC, INC. Morris, IL | 3 | -$4,583 | 3 |
| FOX VALLEY GMC, INC. Saint Charles, IL | 1 | -$4,500 | 1 |
| BARKER MOTOR COMPANY Bloomington, IL | 1 | -$4,495 | 1 |
| ED MORSE CHEVROLET GMC SOUTHWEST Red Bud, IL | 2 | -$4,450 | 2 |
| HOVE BUICK GMC INC. Bradley, IL | 6 | -$4,279 | 6 |
| PRINCETON AUTOMOTIVE Princeton, IL | 1 | -$4,147 | 1 |
| CARDINAL BUICK GMC INC. Belleville, IL | 3 | -$4,099 | 3 |
| HAMBLOCK CHEVROLET GMC Ottawa, IL | 1 | -$3,874 | 1 |
| DRALLE CHEVROLET BUICK GMC Watseka, IL | 2 | -$3,741 | 2 |
| ARLINGTON HEIGHTS BUICK GMC Arlington Heights, IL | 4 | -$3,526 | 4 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 1 | -$3,313 | 1 |
| ED MORSE CHEVROLET GMC Kewanee, IL | 2 | -$3,309 | 2 |
| BOCKER AUTO GROUP Freeport, IL | 2 | -$3,200 | 2 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 4 | -$1,750 | 4 |
| HAGGERTY BUICK GMC, INC. Villa Park, IL | 8 | -$1,539 | 8 |
| KUNES GMC Belvidere, IL | 3 | -$997 | 3 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 1 | -$925 | 1 |
| TERA CHEVROLET GMC Sandwich, IL | 2 | -$643 | 2 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 1 | $0 | 1 |
| SILVERTHORNE CHEVROLET GMC Robinson, IL | 1 | $0 | 1 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 8 | $0 | 8 |
| JEFF PERRY BUICK GMC Peru, IL | 1 | $0 | 1 |
| AUFFENBERG OF CARBONDALE Carbondale, IL | 2 | $0 | 2 |
| WOODY BUICK-GMC, INC. Naperville, IL | 19 | $0 | 19 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 4 | $0 | 4 |
| MARQUARDT OF BARRINGTON Barrington, IL | 1 | $0 | 1 |
| POAGE AUTO PLAZA, INC. Quincy, IL | 5 | $0 | 5 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 69 | +$393 | 66 |
| LIGHTHOUSE BUICK GMC Morton, IL | 11 | +$521 | 10 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 24 | +$792 | 21 |
| ADVANTAGE BUICK GMC La Grange, IL | 8 | +$3,646 | 4 |
| DEKALB SYCAMORE CHEVROLET GMC Sycamore, IL | 1 | +$6,315 | 0 |