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| Auto | Piloto | Dueño | Marca | Provisional | Patrocinador |
| 0 | RAFAEL MARTINEZ | JOHNNY DAVIS | 05 CHEVY | X | TBA |
| 1 | BORIS SAID | JAMES FINCH | 05 DODGE | X | YELLOW TRANSPORTATION |
| 2 | CLINT BOWYER | RICHARD CHILDRESS | 05 CHEVY | X | AC DELCO |
| 4 | RYAN HEMPHILL | FRED BIAGI | 05 DODGE | X | GEICO/PETBRANDS |
| 5 | ADRIAN FERNANDEZ | RICK HENDRICK | 05 CHEVY | X | LOWE'S - HITACHI POWER TOOLS |
| 6 | PAUL WOLFE | RAY EVERNHAM | 05 DODGE | . | TBA |
| 7 | CHRIS COOK | ANDREA NEMECHEK | 05 CHEVY | X | TBA |
| 8 | MARTIN TRUEX, JR. | TERESA EARNHARDT | 05 CHEVY | . | BASS PRO SHOPS |
| 10 | MICHEL JOURDAIN | HERMIE SADLER | 05 FORD | . | TBA |
| 11 | PAUL MENARD | TERESA EARNHARDT | 05 CHEVY | . | MENARD'S |
| 12 | TIM FEDEWA | MIMI FITZ | 05 DODGE | X | GOULDS PUMP |
| 14 | DAVID STREMME | TERRY BRADSHAW | 05 DODGE | X | U.S. NAVY |
| 16 | MARK MONTGOMERY | WAYNE DAY | 05 CHEVY | . | 31-W INSULATION |
| 18 | J.J. YELEY | JOE GIBBS | 05 CHEVY | . | HOME DEPOT |
| 20 | DENNY HAMLIN | JOE GIBBS | 05 CHEVY | X | ROCKWELL AUTOMATION |
| 21 | KEVIN HARVICK | RICHARD CHILDRESS | 05 CHEVY | X | PELON PELO RICO |
| 22 | KENNY WALLACE | GREG POLLEX | 05 FORD | X | STACKER 2 |
| 23 | SHAWNA ROBINSON | GAIL DAVIS | 04 CHEVY | X | VASSARETTE |
| 24 | KIM CROSBY | GREG MIXON | 04 CHEVY | . | BOUDREAUX'S BUTT PASTE |
| 25 | ASHTON LEWIS | ED RENSI | 05 FORD | X | MARINE'S |
| 26 | MARK GREEN | KEITH COLEMAN | 04 CHEVY | . | TBA |
| 27 | DAVID GREEN | TAMMY BREWER | 05 FORD | X | KLEENEX RACING |
| 28 | JOHNNY SAUTER | JAY ROBINSON | 04 DODGE | X | YELLOW FREIGHT |
| 32 | SHANE HMIEL | TODD BRAUN | 05 CHEVY | X | WIN FUEL |
| 33 | RON HORNADAY JR | DELANA HARVICK | 05 CHEVY | . | YARD MAN |
| 34 | RANDY LAJOIE | FRANK CICCI | 05 CHEVY | . | DOLLAR GENERAL |
| 35 | JASON KELLER | SAM RENSI | 05 FORD | X | MCDONALDS |
| 36 | STANTON BARRETT | JOHN MCGILL | 04 CHEVY | . | DCT MOTORSPORTS |
| 38 | TYLER WALKER | BRAD AKINS | 05 DODGE | X | GREAT CLIPS RACING |
| 40 | CARLOS CONTRERAS | ARMANDO FITZ | 05 DODGE | . | ROSH FRANS |
| 41 | REED SORENSON | CHIP GANASSI | 05 DODGE | . | DISCOUNT TIRE |
| 42 | JAMIE MCMURRAY | FLOYD GANASSI | 05 DODGE | . | HAVOLINE |
| 43 | JOSE RAMIREZ MAGANA | MIKE CURB | 05 DODGE | . | DEL VALLE NECTARS |
| 44 | JUSTIN LABONTE | TERRY LABONTE | 05 CHEVY | X | TEAM COAST GUARD RACING |
| 47 | JON WOOD | JODI GESCHICKTER | 04 FORD | X | CLOROX/WISK |
| 49 | MARA REYES | JAY ROBINSON | 04 FORD | X | ADVIL |
| 52 | SCOTT GAYLORD | JIMMY MEANS | 05 FORD | . | TBA |
| 55 | ROBBY GORDON | ROBBY GORDON | 05 CHEVY | . | TBA |
| 58 | BRENT SHERMAN | DOUG STRINGER | 05 DODGE | . | SERTA RACING |
| 59 | STACY COMPTON | TAD GESCHICKTER | 04 FORD | X | KINGSFORD/BUSH'S BAKD BEANS |
| 60 | CARL EDWARDS | JACK ROUSH | 05 FORD | X | CHARTER COMMUNICATIONS |
| 64 | RUSTY WALLACE | RUSTY WALLACE | 05 DODGE | . | BELL HELICOPTER |
| 65 | STAN SILVA, JR. | STAN SILVA. SR. | 04 CHEVY | . | A&S METALS/STAN SILVA TRUCK |
| 66 | JORGE GOETERS | CLARENCE BREWER | 05 FORD | X | CANELS-SCOTIA BANK |
| 67 | JIMMY MORALES | TOM ERIKSEN | 04 DODGE | . | TELMEX |
| 72 | RUBEN GARCIA NOVOA | PAT MACDONALD | 05 CHEVY | X | ROSH FRANS |
| 73 | ERIC JONES | DAN GRIFFIN | 05 CHEVY | . | RED CACTUS SALSA |
| 87 | RON FELLOWS | ANDREA NEMECHEK | 05 CHEVY | . | TBA |
| 90 | ELLIOTT SADLER | ROBERT YATES | 05 FORD | . | CITIFINANCIAL |
| 92 | FREDDY TAME, JR. | JAMES O'KANE | 04 FORD | . | IXELL/VOXIP/RADIO SHACK |
| 97 | TODD SOUZA | KELLY SOUZA | 05 CHEVY | . | CENTRAL CAST CABINETS |