NASCAR XFINITY 2015 Iowa
| # | Piloto | Carro | Equipe | Sponsor | Dono da equipe | |
|---|---|---|---|---|---|---|
| 0 | Harrison Rhodes | Chevrolet Camaro | JD Motorsports | teamjdmotorsports.com | Andrea Nemechek | |
| 01 | Landon Cassill | Chevrolet Camaro | JD Motorsports | teamjdmotorsports.com | Johnny Davis | |
| 1 | Elliott Sadler | Ford Mustang | Roush Fenway Racing | OneMain Financial Ford Mustang | Jack Roush | |
| 2 | Brian Scott | Chevrolet Camaro | Richard Childress Racing | Shore Lodge | Richard Childress | |
| 3 | Ty Dillon | Chevrolet Camaro | Richard Childress Racing | Red Kap | Richard Childress | |
| 4 | Ross Chastain | Chevrolet Camaro | JD Motorsports | teamjdmotorsports.com | Gary Keller | |
| 6 | Darrell Wallace Jr. | Ford Mustang | Roush Fenway Racing | Ford Ecoboost Ford Mustang | Jack Roush | |
| 7 | Regan Smith | Chevrolet Camaro | JR Motorsports | NAPA Synthetic Oil | Kelley Earnhardt-Miller | |
| 8 | Blake Koch | Toyota Camry | TriStar Motorsports | TBA | ||
| 9 | Chase Elliott | Chevrolet Camaro | JR Motorsports | NAPA Auto Parts | Dale Earnhardt Jr | |
| 13 | John Jackson | Dodge Challenger | MBM Motorsports | Braille Battery/Grafoid | Derek White | |
| 14 | Cale Conley | Toyota Camry | TriStar Motorsports | IAVA | Mark Smith | |
| 15 | BJ McLeod | Chevrolet Camaro | Rick Ware Racing | RWR | Rick Ware | |
| 16 | Ryan Reed | Ford Mustang | Roush Fenway Racing | Lilly/American Diabetes Association Ford Must | Jack Roush | |
| 18 |  Daniel Suarez | Toyota Camry | Joe Gibbs Racing | Arris | Joe Gibbs | |
| 19 | Charles Lewandoski | Toyota Camry | TriStar Motorsports | TBA | Mark Smith | |
| 20 | Erik Jones | Toyota Camry | Joe Gibbs Racing | Interstate Batteries | Joe Gibbs | |
| 22 | Ryan Blaney | Ford Mustang | Team Penske | Discount Tire | Roger Penske | |
| 24 | Eric McClure | Toyota Camry | JGL Racing | TBA | Mark Smith | |
| 25 | John Wes Townley | Chevrolet Camaro | Athenian Motorsports | Zaxby's | Tony Townley | |
| 26 | Ryan Ellis | Toyota Camry | JGL Racing | JGL Racing | James Whitener | |
| 28 | J.J. Yeley | Toyota Camry | JGL Racing | Texas 28 Spirits Stage | Gregg Mixon | |
| 29 | Kenny Wallace | Toyota Camry | RAB Racing | U.S. Cellular | Robby Benton | |
| 33 | Brandon Jones | Chevrolet Camaro | Richard Childress Racing | Jen Weld / Menards | Richard Childress | |
| 39 | Ryan Sieg | Chevrolet Camaro | RSS Racing | Uncle Bob's Self Storage | Rod Sieg | |
| 40 | Carl Long | Toyota Camry | MBM Motorsports | Braille Battery/Grafoid | Derek White | |
| 42 | Brennan Poole | Chevrolet Camaro | HScott Motorsports | DC Solar | Harry Scott Jr. | |
| 43 | Dakoda Armstrong | Ford Mustang | Richard Petty Motorsports | WinField | Richard Petty | |
| 44 | David Starr | Toyota Camry | TriStar Motorsports | Zachry | Mark Smith | |
| 51 | Jeremy Clements | Chevrolet Camaro | Jeremy Clements Racing | RepairableVehicles.com/AllSouthElectric.com | Tony Clements | |
| 52 | Joey Gase | Chevrolet Camaro | Jimmy Means Racing | TBA | Jimmy Means | |
| 54 | Boris Said | Toyota Camry | Joe Gibbs Racing | Monster Energy | J.D. Gibbs | |
| 55 | Jamie Dick | Chevrolet Camaro | Viva Motorsports | Viva Auto Group | Jamie Dick | |
| 60 | Chris Buescher | Ford Mustang | Roush Fenway Racing | Roush Performance Products Ford Mustang | Jack Roush | |
| 62 | Brendan Gaughan | Chevrolet Camaro | Richard Childress Racing | South Point | Richard Childress | |
| 70 | Derrike Cope | Chevrolet Camaro | Derrike Cope Racing | SWAE Watches | Mary Louise Miller | |
| 74 | Mike Harmon | Dodge Challenger | Mike Harmon Racing | TBA | Mike Harmon | |
| 88 | Ben Rhodes | Chevrolet Camaro | JR Motorsports | Alpha Energy Solutions | Rick Hendrick | |
| 90 | Todd Bodine | Chevrolet Camaro | King Autosports | TBA | Michelle Gosselin | |
| 97 | Peyton Sellers | Chevrolet Camaro | Obaika Racing | Vroom Brands |