| JACKSON FAMILY OF DEALERSHIPS Sullivan, IL | 2 | -$12,681 | 2 |
| D'ARCY BUICK-GMC Joliet, IL | 5 | -$8,735 | 5 |
| BILL KAY BUICK GMC Downers Grove, IL | 4 | -$8,567 | 4 |
| FOX VALLEY GMC, INC. Saint Charles, IL | 3 | -$7,856 | 3 |
| CARDINAL BUICK GMC INC. Belleville, IL | 3 | -$7,657 | 3 |
| LOU BACHRODT CHEVROLET BUICK GMC Rockford, IL | 3 | -$7,600 | 3 |
| HOLZHAUER AUTO & TRUCK SALES, INC. Nashville, IL | 1 | -$7,361 | 1 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 6 | -$7,288 | 6 |
| HARVARD CHEVROLET-GMC, LLC Harvard, IL | 1 | -$7,265 | 1 |
| BARKER MOTOR COMPANY Bloomington, IL | 7 | -$7,220 | 7 |
| CASTLE CHEVROLET OF MCHENRY Mchenry, IL | 8 | -$6,845 | 8 |
| S & K BUICK-GMC, INC. Springfield, IL | 9 | -$6,838 | 9 |
| GREENWAY GMC, INC. Morris, IL | 3 | -$6,582 | 3 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 9 | -$6,444 | 9 |
| TERA CHEVROLET GMC Sandwich, IL | 4 | -$6,363 | 4 |
| STEVE SCHMITT, INC. Highland, IL | 5 | -$6,332 | 5 |
| ADVANTAGE BUICK GMC La Grange, IL | 6 | -$6,325 | 6 |
| HELLER CHEVROLET GMC, LLC El Paso, IL | 14 | -$6,313 | 13 |
| COFFMAN TRUCK SALES, INC. Aurora, IL | 1 | -$6,298 | 1 |
| AL PIEMONTE BUICK GMC Elmhurst, IL | 2 | -$5,857 | 2 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 11 | -$5,838 | 10 |
| DIEPHOLZ CHEVROLET BUICK GMC Charleston, IL | 1 | -$5,747 | 1 |
| K. C. SUMMERS BUICK GMC Mattoon, IL | 4 | -$5,711 | 4 |
| HOVE BUICK GMC INC. Bradley, IL | 7 | -$5,507 | 7 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 11 | -$5,277 | 10 |
| LANDMARK OF TAYLORVILLE, INC. Taylorville, IL | 5 | -$5,176 | 5 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 6 | -$4,850 | 6 |
| PRINCETON AUTOMOTIVE Princeton, IL | 1 | -$4,792 | 1 |
| RUSS BRAUNECKER BUICK GMC Effingham, IL | 1 | -$4,787 | 1 |
| ED MORSE CHEVROLET GMC SOUTHWEST Red Bud, IL | 16 | -$4,620 | 15 |
| ESSIG-MOTORS INC. Aledo, IL | 2 | -$4,250 | 2 |
| NAPLETON BUICK GMC Crystal Lake, IL | 1 | -$4,172 | 1 |
| DEKALB SYCAMORE CHEVROLET GMC Sycamore, IL | 2 | -$3,875 | 2 |
| BOCKER AUTO GROUP Freeport, IL | 3 | -$3,498 | 3 |
| HOSICK MOTORS INCORPORATED Vandalia, IL | 3 | -$3,476 | 3 |
| ARLINGTON HEIGHTS BUICK GMC Arlington Heights, IL | 8 | -$3,272 | 8 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 5 | -$3,200 | 5 |
| ARNIE BAUER CHEVROLET GMC Wilmington, IL | 4 | -$3,179 | 4 |
| ED MORSE CHEVROLET GMC Kewanee, IL | 19 | -$3,121 | 18 |
| KUNES GMC Belvidere, IL | 5 | -$2,000 | 5 |
| STEVE SCHMITT OF LITCHFIELD INC. Litchfield, IL | 2 | -$1,785 | 2 |
| MEIER CHEVROLET-GMC, INC. Sparta, IL | 2 | -$1,500 | 2 |
| HAGGERTY BUICK GMC, INC. Villa Park, IL | 6 | -$716 | 5 |
| LIGHTHOUSE BUICK GMC Morton, IL | 38 | $0 | 38 |
| MIKE HAGGERTY BUICK GMC, INC. Oak Lawn, IL | 2 | $0 | 2 |
| JEFF PERRY BUICK GMC Peru, IL | 6 | $0 | 6 |
| WOODY BUICK-GMC, INC. Naperville, IL | 20 | $0 | 20 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 2 | $0 | 2 |
| MARQUARDT OF BARRINGTON Barrington, IL | 1 | $0 | 1 |
| POAGE AUTO PLAZA, INC. Quincy, IL | 1 | $0 | 1 |
| BATES CHEVROLET GMC Carlinville, IL | 1 | $0 | 1 |
| HAMBLOCK CHEVROLET GMC Ottawa, IL | 1 | $0 | 1 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 16 | $0 | 16 |
| YEMM CHEVROLET-BUICK-GMC Galesburg, IL | 4 | $0 | 4 |
| QUALITY BUICK GMC Alton, IL | 6 | $0 | 6 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 3 | $0 | 3 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 109 | +$393 | 106 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 11 | +$6,675 | 7 |
| SHIELDS AUTOMART OF PAXTON, INC. Paxton, IL | 1 | +$10,300 | 0 |