| STEPHEN CHEVROLET GMC MONTICELLO, IA | 1 | -$3,865 | 1 |
| KARL CHEVROLET GMC Webster City, IA | 4 | -$3,496 | 4 |
| VAUGHN AUTOMOTIVE Ottumwa, IA | 1 | -$3,394 | 1 |
| BOB BROWN BUICK GMC Ankeny, IA | 11 | -$2,273 | 11 |
| GREGG YOUNG BUICK GMC, LLC Indianola, IA | 1 | -$2,092 | 1 |
| MCGRATH BUICK GMC CADILLAC Cedar Rapids, IA | 6 | -$2,076 | 6 |
| COMMUNITY BUICK GMC, INC. Waterloo, IA | 3 | -$2,000 | 3 |
| PELLA MOTORS Pella, IA | 2 | -$1,970 | 2 |
| LE MARS GMC LE MARS, IA | 8 | -$1,962 | 8 |
| KEAST AUTO CENTER HARLAN, IA | 1 | -$1,823 | 1 |
| LAUTERBACH BUICK-GMC Newton, IA | 1 | -$1,810 | 1 |
| MIKE MOLSTEAD CHEVROLET, GMC Charles City, IA | 3 | -$1,713 | 3 |
| GREGG YOUNG CHEVROLET GMC ATLANTIC ATLANTIC, IA | 2 | -$1,672 | 2 |
| ED MORSE CHEVROLET BUICK GMC MUSCATINE, IA | 1 | -$1,500 | 1 |
| KARL GMC OF MARSHALLTOWN Marshalltown, IA | 5 | -$1,430 | 4 |
| FOREST CITY AUTO CENTER Forest City, IA | 1 | -$1,400 | 1 |
| ED MORSE CHEVROLET GMC NORTHEAST DE WITT, IA | 5 | -$1,387 | 5 |
| DEYARMAN AUTOMOTIVE Knoxville, IA | 1 | -$1,132 | 1 |
| KEMNA AUTO OF FORT DODGE Fort Dodge, IA | 3 | -$731 | 3 |
| STEW HANSEN BUICK GMC Clive, IA | 2 | -$707 | 2 |
| EDWARDS CHEVROLET BUICK GMC Council Bluffs, IA | 23 | $0 | 10 |
| SHOTTENKIRK, INC. Fort Madison, IA | 3 | $0 | 3 |
| BILLION COMMUNITY, INC. Iowa City, IA | 3 | $0 | 3 |
| KEMNA AUTO CENTER ALGONA, IA | 2 | $0 | 2 |
| GREEN BUICK GMC INC. Davenport, IA | 2 | $0 | 2 |
| RICHARDSON BUICK-CADILLAC-GMC TRUCK Dubuque, IA | 2 | $0 | 2 |
| CHARLES CAPPER AUTO CENTER, INC. MARENGO, IA | 1 | $0 | 1 |
| LAUTERBACH BUICK-GMC NEWTON, IA | 1 | $0 | 1 |
| VAUGHN AUTOMOTIVE OTTUMWA, IA | 1 | $0 | 1 |
| REX CHEVROLET GMC, LTD Odebolt, IA | 1 | $0 | 1 |
| PAT CLEMONS, INC. BOONE, IA | 1 | $0 | 1 |
| BILLION COMMUNITY, INC. IOWA CITY, IA | 1 | $0 | 1 |
| STALKER CHEVROLET GMC CRESTON, IA | 1 | $0 | 1 |
| GRINNELL MOTORS GRINNELL, IA | 1 | $0 | 1 |
| BILLION GMC SIOUX CITY, IA | 1 | $0 | 1 |
| NIELSEN MOTORS HUMBOLDT, IA | 3 | +$180 | 1 |
| DALE HOWARD, INC. IOWA FALLS, IA | 1 | — | 0 |