| GREGG YOUNG CHEVROLET GMC ATLANTIC Atlantic, IA | 1 | -$3,705 | 1 |
| FOREST CITY AUTO CENTER Forest City, IA | 2 | -$3,481 | 2 |
| ED MORSE CHEVROLET GMC NORTHEAST De Witt, IA | 2 | -$3,012 | 2 |
| GREGG YOUNG CHEVROLET OF NORWALK, INC. Norwalk, IA | 4 | -$2,500 | 4 |
| DALE HOWARD, INC. Iowa Falls, IA | 1 | -$2,230 | 1 |
| GREGG YOUNG AUTOMOTIVE OF MARSHALLTOWN Marshalltown, IA | 1 | -$2,000 | 1 |
| PAPIK MOTORS, ROCK RAPIDS Rock Rapids, IA | 2 | -$2,000 | 2 |
| DEYARMAN AUTOMOTIVE Knoxville, IA | 1 | -$1,818 | 1 |
| SHOTTENKIRK CHEVROLET Waukee, IA | 6 | -$1,801 | 6 |
| KARL CHEVROLET, INC. Ankeny, IA | 66 | -$1,746 | 65 |
| WOODHOUSE CHEVROLET Missouri Valley, IA | 2 | -$1,508 | 2 |
| ED MORSE CHEVROLET BUICK GMC Muscatine, IA | 5 | -$1,500 | 5 |
| EDWARDS CHEVROLET GMC Storm Lake, IA | 2 | -$1,374 | 2 |
| DEERY BROTHERS, INC. West Burlington, IA | 3 | -$1,000 | 3 |
| KARL CHEVROLET GMC Webster City, IA | 3 | -$948 | 3 |
| MAC'S CHEVROLET, INC. Mapleton, IA | 2 | -$700 | 2 |
| BOB BROWN CHEVROLET, INC. Urbandale, IA | 18 | -$357 | 18 |
| PAT MCGRATH CHEVROLET Cedar Rapids, IA | 13 | -$247 | 13 |
| MOTOR INN OF CARROLL, L.L.C. Carroll, IA | 1 | $0 | 1 |
| MILLS CHEVROLET OF DAVENPORT Davenport, IA | 4 | $0 | 4 |
| BILLION CHEVROLET GMC Clinton, IA | 1 | $0 | 1 |
| THYS CHEVROLET - BLAIRSTOWN Blairstown, IA | 1 | $0 | 1 |
| TOTAL MOTORS HOLSTEIN Holstein, IA | 1 | $0 | 1 |
| WILLIS CHEVROLET OF GRANGER Granger, IA | 1 | $0 | 1 |
| MCGRATH CHEVROLET OF DUBUQUE Dubuque, IA | 4 | $0 | 4 |
| RYDELL CHEVROLET Waterloo, IA | 2 | $0 | 2 |
| GEORGE WHITE CHEVROLET Ames, IA | 1 | $0 | 1 |
| EDWARDS CHEVROLET BUICK GMC Council Bluffs, IA | 22 | $0 | 22 |
| MACKE MOTORS, INC. Lake City, IA | 3 | $0 | 3 |
| REX CHEVROLET GMC, LTD Odebolt, IA | 3 | $0 | 3 |
| VER HOEF AUTOMOTIVE, INC. Sioux Center, IA | 9 | $0 | 9 |
| KNOEPFLER CHEVROLET CO. Sioux City, IA | 9 | $0 | 9 |
| GLENDENNING MOTOR CO. INC. Mount Ayr, IA | 1 | $0 | 1 |
| HI-WAY CHEVROLET BUICK, INC. Rock Valley, IA | 3 | $0 | 3 |
| OKOBOJI CHEVROLET Spirit Lake, IA | 4 | $0 | 4 |
| STALKER CHEVROLET GMC Creston, IA | 2 | $0 | 2 |
| DEERY BROTHERS CHEVROLET, INC. Pleasant Hill, IA | 10 | $0 | 10 |
| LYNCH CHEVROLET, INC. Mount Vernon, IA | 3 | $0 | 3 |
| KEAST AUTO CENTER Harlan, IA | 1 | $0 | 1 |
| WITHAM CHEVROLET LLC La Porte City, IA | 1 | $0 | 1 |
| BILLION COMMUNITY, INC. Iowa City, IA | 5 | $0 | 5 |
| WILD ROSE CHEVROLET Shenandoah, IA | 1 | $0 | 1 |
| GRINNELL MOTORS Grinnell, IA | 1 | $0 | 1 |
| DUNLAP MOTORS INC. Independence, IA | 1 | +$2,295 | 0 |
| LE MARS CHEVROLET Le Mars, IA | 4 | +$7,336 | 3 |
| PAT CLEMONS, INC. Boone, IA | 1 | — | 0 |
| R. W. PLADSEN, INC. Waukon, IA | 1 | — | 0 |