IMSA

Latest IMSA Stories

New Ford Mustang GT3 Hits the Track for Its First Official Shakedown

By Lewin Day / Updated Mar 22, 2023

Daytona 24 Winner Meyer Shank Racing Heavily Penalized for Manipulating Tire Data

By Jerry Perez / Updated Mar 9, 2023

How Rolex’s Longtime Love Affair With Daytona Is Paying Off in 2023

By Caleb Jacobs / Updated Feb 1, 2023

Why Acura Isn’t Racing Its Daytona-Winning Prototype at Le Mans

By Jerry Perez / Updated Feb 1, 2023

Castroneves Is Thriving in Late Career Push With Third Straight Rolex 24 at Daytona Win

By Jerry Perez / Updated Jan 30, 2023

2023 Rolex 24: Acura 1-2 Gives Castroneves a Third Daytona Win

By Jerry Perez / Updated Jan 29, 2023

Here’s What Makes the 2023 Rolex 24 at Daytona the Most Crucial in Years

By Caleb Jacobs / Updated Jan 27, 2023

How Acura, BMW, Cadillac, and Porsche LMDh Engines Are So Different

By Peter Holderith / Updated Jan 26, 2023

Acura Beats Porsche, Cadillac, BMW to Pole Position for 2023 Rolex 24 at Daytona

By Jerry Perez / Updated Jan 23, 2023

Cadillac’s New V-LMDh Race Cars Look Fantastic in Colorful Liveries

By Peter Holderith / Updated Jan 12, 2023

You Can Buy This Race-Winning Acura Daytona Prototype Race Car

By Jerry Perez / Updated Dec 15, 2022

The Honda Civic Type R Race Car Is Getting Ready To Make Its IMSA Debut

By Nico DeMattia / Updated Dec 13, 2022

Former F1 Driver Romain Grosjean to Race in Lamborghini’s LMDh, GT Programs

By Jerry Perez / Updated Dec 6, 2022

The Cadillac V-LMDh Sounds Brutal on Track With Its High-Revving Cross-Plane V8

By Peter Holderith / Updated Nov 29, 2022

Inside Mercedes-AMG’s Rolling Bank of GT Race Car Parts

By Peter Nelson / Updated Oct 10, 2022

Trackside: How a Mercedes-AMG GT3 Team Meticulously Preps for a 10-Hour Race

By Peter Nelson / Updated Oct 7, 2022