| FOREST CITY AUTO CENTER Forest City, IA | 8 | -$2,143 | 8 |
| NIELSEN MOTORS HUMBOLDT, IA | 3 | -$2,095 | 3 |
| KRAIG CHEVROLET Oskaloosa, IA | 9 | -$2,000 | 9 |
| KEAST AUTO CENTER HARLAN, IA | 2 | -$1,813 | 2 |
| LE MARS CHEVROLET LE MARS, IA | 2 | -$1,787 | 2 |
| PRITCHARD'S LAKE CHEVROLET Clear Lake, IA | 15 | -$1,684 | 15 |
| BROWN'S SALES AND LEASING, INC. Elkader, IA | 7 | -$1,643 | 7 |
| EDWARDS CHEVROLET GMC Storm Lake, IA | 8 | -$1,182 | 8 |
| GREGG YOUNG CHEVROLET Newton, IA | 10 | -$1,108 | 10 |
| KARL CHEVROLET GMC Webster City, IA | 33 | -$1,063 | 33 |
| LYNCH CHEVROLET, INC. Mt Vernon, IA | 4 | -$1,038 | 4 |
| EMERALD CHEVROLET Audubon, IA | 3 | -$1,000 | 3 |
| FESLER AUTO MALL Fairfield, IA | 3 | -$904 | 3 |
| GREGG YOUNG CHEVROLET OF NORWALK, INC. Norwalk, IA | 31 | -$868 | 31 |
| PELLA MOTORS Pella, IA | 3 | -$815 | 3 |
| RYDELL CHEVROLET Waterloo, IA | 42 | -$767 | 42 |
| BROWN'S SALES AND LEASING GUTTENBERG Guttenberg, IA | 11 | -$682 | 11 |
| KARL CHEVROLET, INC. Ankeny, IA | 482 | -$659 | 481 |
| KARL CHEVROLET OF STUART, LLC Stuart, IA | 99 | -$633 | 99 |
| ED MORSE CHEVROLET BUICK GMC Muscatine, IA | 16 | -$527 | 16 |
| GREGG YOUNG AUTOMOTIVE OF MARSHALLTOWN Marshalltown, IA | 15 | -$480 | 15 |
| BOB BROWN CHEVROLET, INC. Urbandale, IA | 11 | -$364 | 11 |
| PRITCHARD CHEVROLET OF MASON CITY MASON CITY, IA | 7 | -$324 | 7 |
| GREGG YOUNG CHEVROLET GMC ATLANTIC Atlantic, IA | 12 | -$292 | 12 |
| DALE HOWARD, INC. Iowa Falls, IA | 7 | -$286 | 7 |
| PAT MCGRATH CHEVROLET Cedar Rapids, IA | 88 | -$227 | 88 |
| ED MORSE CHEVROLET GMC NORTHEAST DE WITT, IA | 8 | -$226 | 7 |
| PAPIK MOTORS, ROCK RAPIDS Rock Rapids, IA | 18 | -$222 | 18 |
| WOODHOUSE CHEVROLET Missouri Valley, IA | 50 | -$207 | 50 |
| DEERY BROTHERS CHEVROLET, INC. Pleasant Hill, IA | 17 | -$173 | 17 |
| BOB BROWN CHEVROLET, INC. URBANDALE, IA | 107 | -$170 | 106 |
| SHOTTENKIRK CHEVROLET Waukee, IA | 44 | -$105 | 44 |
| EDWARDS CHEVROLET BUICK GMC Council Bluffs, IA | 52 | -$49 | 51 |
| MILLS CHEVROLET OF DAVENPORT DAVENPORT, IA | 69 | $0 | 67 |
| VER HOEF AUTOMOTIVE, INC. SIOUX CENTER, IA | 54 | $0 | 54 |
| MCGRATH CHEVROLET OF DUBUQUE DUBUQUE, IA | 37 | $0 | 37 |
| MACKE MOTORS, INC. Lake City, IA | 35 | $0 | 35 |
| KNOEPFLER CHEVROLET CO. Sioux City, IA | 31 | $0 | 31 |
| BILLION COMMUNITY, INC. Iowa City, IA | 29 | $0 | 29 |
| HI-WAY CHEVROLET BUICK, INC. Rock Valley, IA | 22 | $0 | 22 |
| KEMNA AUTO OF FORT DODGE Fort Dodge, IA | 22 | $0 | 22 |
| WILLIS CHEVROLET OF GRANGER Granger, IA | 20 | $0 | 20 |
| R. W. PLADSEN, INC. Waukon, IA | 18 | $0 | 18 |
| H & N CHEVROLET-BUICK CO. Spencer, IA | 18 | $0 | 18 |
| MIKE MOLSTEAD CHEVROLET, GMC Charles City, IA | 16 | $0 | 16 |
| VAUGHN AUTOMOTIVE OTTUMWA, IA | 15 | $0 | 15 |
| DUNLAP MOTORS INC. Independence, IA | 14 | $0 | 5 |
| JERRY ROLING MOTORS, INC. Waverly, IA | 14 | $0 | 14 |
| SHOTTENKIRK, INC. Fort Madison, IA | 13 | $0 | 13 |
| GEORGE WHITE CHEVROLET AMES, IA | 11 | $0 | 11 |
| VERN LAURES AUTO CENTER, INC. NEW HAMPTON, IA | 10 | $0 | 10 |
| COMMUNITY MOTOR CO., INC. Cedar Falls, IA | 9 | $0 | 9 |
| WILD ROSE CHEVROLET SHENANDOAH, IA | 9 | $0 | 8 |
| DOMINO MOTORS, INC. Sac City, IA | 9 | $0 | 9 |
| PAT CLEMONS, INC. Boone, IA | 9 | $0 | 4 |
| STALKER CHEVROLET GMC Creston, IA | 9 | $0 | 9 |
| BIRDNOW CHEVROLET MONONA Monona, IA | 9 | $0 | 9 |
| MAC'S CHEVROLET, INC. MAPLETON, IA | 8 | $0 | 8 |
| OKOBOJI CHEVROLET Spirit Lake, IA | 8 | $0 | 7 |
| DEYARMAN AUTOMOTIVE Knoxville, IA | 6 | $0 | 6 |
| DECORAH CHEVROLET Decorah, IA | 6 | $0 | 6 |
| SHORE MOTOR COMPANY Clarinda, IA | 6 | $0 | 5 |
| GRINNELL MOTORS GRINNELL, IA | 5 | $0 | 5 |
| STEPHEN CHEVROLET GMC Monticello, IA | 5 | $0 | 5 |
| VAUGHN AUTOMOTIVE Ottumwa, IA | 5 | $0 | 5 |
| KEMNA AUTO CENTER Algona, IA | 4 | $0 | 4 |
| GLENDENNING MOTOR CO. INC. Mount Ayr, IA | 4 | $0 | 4 |
| TOTAL MOTORS HOLSTEIN Holstein, IA | 4 | $0 | 4 |
| BILLION CHEVROLET GMC Clinton, IA | 3 | $0 | 3 |
| MOTOR INN OF CARROLL, L.L.C. Carroll, IA | 2 | $0 | 1 |
| CHARLES CAPPER AUTO CENTER, INC. MARENGO, IA | 2 | $0 | 2 |
| BRAD DEERY MOTORS, INC. Maquoketa, IA | 2 | $0 | 2 |
| THYS CHEVROLET - BLAIRSTOWN Blairstown, IA | 2 | $0 | 2 |
| REX CHEVROLET GMC, LTD Odebolt, IA | 2 | $0 | 2 |
| GEORGE WHITE CHEVROLET Ames, IA | 2 | $0 | 2 |
| DALE HOWARD, INC. IOWA FALLS, IA | 1 | $0 | 1 |
| BOB STEPHEN MOTORS-INC. Manchester, IA | 1 | $0 | 1 |
| VERN LAURES AUTO CENTER, INC. New Hampton, IA | 1 | $0 | 1 |