| AL PIEMONTE BUICK GMC Elmhurst, IL | 7 | -$10,818 | 7 |
| AL PIEMONTE BUICK GMC ELMHURST, IL | 4 | -$10,480 | 3 |
| BILL KAY BUICK GMC Downers Grove, IL | 9 | -$6,896 | 8 |
| D'ARCY BUICK-GMC Joliet, IL | 119 | -$6,848 | 119 |
| HELLER CHEVROLET GMC, LLC EL PASO, IL | 10 | -$6,719 | 10 |
| BARKER MOTOR COMPANY Bloomington, IL | 18 | -$6,663 | 15 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 31 | -$6,583 | 23 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 45 | -$6,417 | 44 |
| K. C. SUMMERS BUICK GMC MATTOON, IL | 5 | -$6,310 | 5 |
| HARVARD CHEVROLET-GMC, LLC Harvard, IL | 4 | -$6,303 | 4 |
| STEVE SCHMITT, INC. Highland, IL | 19 | -$6,223 | 19 |
| RIZZA BUICK GMC CADILLAC, INC. Tinley Park, IL | 2 | -$6,022 | 2 |
| LANDMARK OF TAYLORVILLE, INC. TAYLORVILLE, IL | 1 | -$5,980 | 1 |
| K. C. SUMMERS BUICK GMC Mattoon, IL | 12 | -$5,793 | 12 |
| CASTLE CHEVROLET OF MCHENRY McHenry, IL | 50 | -$5,593 | 46 |
| NAPLETON'S SCHAUMBURG BUICK GMC SCHAUMBURG, IL | 12 | -$5,533 | 9 |
| COFFMAN TRUCK SALES, INC. Aurora, IL | 12 | -$5,382 | 12 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 27 | -$5,003 | 27 |
| HOLZHAUER AUTO & TRUCK SALES, INC. NASHVILLE, IL | 7 | -$4,981 | 7 |
| JACKSON FAMILY OF DEALERSHIPS Sullivan, IL | 9 | -$4,887 | 9 |
| ED MORSE CHEVROLET GMC SOUTHWEST Red Bud, IL | 15 | -$4,766 | 13 |
| RUSS BRAUNECKER BUICK GMC EFFINGHAM, IL | 2 | -$4,595 | 2 |
| S & K BUICK-GMC, INC. Springfield, IL | 15 | -$4,584 | 15 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 26 | -$4,581 | 25 |
| MARSHALL CHEVROLET GMC, INC. Jerseyville, IL | 9 | -$4,571 | 7 |
| KEY AUTO MALL Moline, IL | 17 | -$4,313 | 16 |
| HAGGERTY BUICK GMC, INC. Villa Park, IL | 27 | -$4,214 | 27 |
| HOVE BUICK GMC INC. Bradley, IL | 26 | -$4,141 | 26 |
| PRINCETON AUTOMOTIVE Princeton, IL | 7 | -$4,140 | 7 |
| CARDINAL BUICK GMC INC. Belleville, IL | 14 | -$3,972 | 11 |
| UNITED GMC JACKSONVILLE, IL | 7 | -$3,961 | 7 |
| MEIER CHEVROLET-GMC, INC. Sparta, IL | 5 | -$3,886 | 5 |
| HAMBLOCK CHEVROLET GMC OTTAWA, IL | 16 | -$3,764 | 14 |
| NAPLETON BUICK GMC Crystal Lake, IL | 15 | -$3,744 | 15 |
| DIEPHOLZ CHEVROLET BUICK GMC Charleston, IL | 10 | -$3,711 | 6 |
| ADVANTAGE BUICK GMC La Grange, IL | 8 | -$3,595 | 8 |
| STEVE SCHMITT OF LITCHFIELD INC. LITCHFIELD, IL | 6 | -$3,520 | 6 |
| KUNES GMC Belvidere, IL | 20 | -$3,379 | 20 |
| VERMILION CHEVROLET GMC Tilton, IL | 5 | -$3,342 | 5 |
| DEKALB SYCAMORE CHEVROLET GMC SYCAMORE, IL | 33 | -$3,287 | 25 |
| SHIELDS AUTOMART OF PAXTON, INC. Paxton, IL | 5 | -$3,102 | 5 |
| RUSS BRAUNECKER BUICK GMC Effingham, IL | 20 | -$3,096 | 20 |
| ARNIE BAUER CHEVROLET GMC Wilmington, IL | 7 | -$3,071 | 7 |
| LOU BACHRODT CHEVROLET BUICK GMC Rockford, IL | 9 | -$3,029 | 8 |
| CASTLE BUICK-GMC, INC. North Riverside, IL | 4 | -$2,996 | 4 |
| ARLINGTON HEIGHTS BUICK GMC Arlington Heights, IL | 13 | -$2,972 | 13 |
| TERA CHEVROLET GMC Sandwich, IL | 8 | -$2,933 | 8 |
| BOCKER AUTO GROUP Freeport, IL | 9 | -$2,878 | 7 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 16 | -$2,744 | 16 |
| ED MORSE CHEVROLET GMC KEWANEE, IL | 19 | -$2,718 | 17 |
| GREENWAY GMC, INC. Morris, IL | 12 | -$2,715 | 9 |
| HAGGERTY BUICK GMC, INC. VILLA PARK, IL | 4 | -$2,592 | 2 |
| POAGE AUTO PLAZA, INC. Quincy, IL | 29 | -$2,444 | 28 |
| DRALLE CHEVROLET BUICK GMC Watseka, IL | 8 | -$2,005 | 7 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 29 | -$267 | 29 |
| LANDMARK OF TAYLORVILLE, INC. Taylorville, IL | 5 | -$131 | 4 |
| YEMM CHEVROLET-BUICK-GMC Galesburg, IL | 12 | -$83 | 12 |
| FOX VALLEY GMC, INC. SAINT CHARLES, IL | 41 | -$29 | 28 |
| RICE MOTOR COMPANY, INC. CARMI, IL | 7 | -$0 | 6 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 754 | $0 | 754 |
| WOODY BUICK-GMC, INC. Naperville, IL | 132 | $0 | 132 |
| JEFF PERRY BUICK GMC Peru, IL | 35 | $0 | 35 |
| WOODY BUICK-GMC, INC. NAPERVILLE, IL | 21 | $0 | 21 |
| MARQUARDT OF BARRINGTON Barrington, IL | 13 | $0 | 13 |
| GREG WEEKS, INC. West Frankfort, IL | 13 | $0 | 11 |
| QUALITY BUICK GMC Alton, IL | 10 | $0 | 9 |
| SCHMIDT CHEVROLET GMC Mount Vernon, IL | 10 | $0 | 10 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 9 | $0 | 9 |
| MIKE HAGGERTY BUICK GMC, INC. Oak Lawn, IL | 8 | $0 | 8 |
| KEN NELSON AUTO PLAZA, INC. DIXON, IL | 6 | $0 | 6 |
| HOSICK MOTORS INCORPORATED VANDALIA, IL | 6 | $0 | 5 |
| YEMM CHEVROLET-BUICK-GMC GALESBURG, IL | 5 | $0 | 5 |
| MAX DYE, INC. Salem, IL | 4 | $0 | 2 |
| EAGLESON AUTOMOTIVE CENTER, INC. Olney, IL | 4 | $0 | 4 |
| MIKE HAGGERTY BUICK GMC, INC. OAK LAWN, IL | 2 | $0 | 2 |
| MARION CHEVROLET BUICK GMC MARION, IL | 1 | $0 | 1 |
| GREG WEEKS, INC. WEST FRANKFORT, IL | 1 | $0 | 1 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 109 | +$42 | 108 |
| AUFFENBERG OF CARBONDALE Carbondale, IL | 25 | +$42 | 23 |
| MARION CHEVROLET BUICK GMC Marion, IL | 23 | +$43 | 22 |
| DRISCOLL MOTOR CO., INC. Pontiac, IL | 22 | +$45 | 21 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 12 | +$83 | 11 |
| LIGHTHOUSE BUICK GMC Morton, IL | 78 | +$117 | 74 |
| BATES CHEVROLET GMC Carlinville, IL | 6 | +$333 | 4 |
| SILVERTHORNE CHEVROLET GMC ROBINSON, IL | 3 | +$333 | 2 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 23 | +$357 | 9 |
| MONKEN CHEVROLET GMC Centralia, IL | 4 | — | 0 |
| DRALLE CHEVROLET BUICK GMC WATSEKA, IL | 3 | — | 0 |