# IndyCar 2028 tests continue at Sebring with Palou and Rossi

> **Open Intelligence Dossier** · First detected: 2026-10-13 22:00 UTC · Category: Sports

## Executive Summary
IndyCar 2028 testing advances at Sebring as Alex Palou and Alexander Rossi put the new IR-28 chassis through demanding development sessions.

## Intelligence Brief
Recent motorsport reporting details ongoing on-track testing sessions for IndyCar's upcoming 2028 chassis at Sebring International Raceway. Drivers Alex Palou and Alexander Rossi are actively participating in the development program, pushing the new IR-28 machine through rigorous evaluations on the demanding circuit. Coverage from specialized automotive and sports outlets indicates that the testing has included high-intensity running, putting the vehicle through demanding paces as engineers gather crucial performance data. While specific logistical details of the test schedule are still emerging, the sessions have already provided notable track time for the new machinery. Prominent sports and racing media organizations are closely following the trackside developments, offering detailed accounts of the testing progress. According to coverage from Motorsport.com, FOX Sports, IndyStar, INDYCAR.com, and RACER, the evaluation phase encompasses multiple facets of vehicle behavior.


Outlets highlight Alex Palou's intense driving efforts and the subsequent shortening of his track time due to specific testing conditions. Meanwhile, RACER reports that the IR-28 chassis has experienced an impromptu taste of running in traffic, providing engineers with valuable multi-car operational data during the ongoing Sebring program. This current testing phase builds directly upon the broader, long-term development roadmap established for IndyCar's next-generation platform. The IR-28 designation represents a significant technical evolution for the series, requiring thorough physical validation before its eventual competition debut. Sebring International Raceway serves as an ideal proving ground for these durability and performance evaluations, given its notoriously bumpy surface and demanding layout. Previous milestones in the vehicle's development lifecycle are not yet fully detailed in the current news cycle, but the ongoing sessions mark a visible acceleration in the preparation process for the 2028 campaign.


Future reports will likely track the continuation of these test sessions and any subsequent technical adjustments made by the engineering teams. Observers and fans will be watching to see how Palou, Rossi, and other test participants address the technical feedback gathered during the Sebring runs. Coverage does not yet specify the exact dates for the next scheduled test or which additional drivers might join the development roster. Stakeholders will continue monitoring official statements from INDYCAR and participating outlets for updates on the IR-28 chassis progression.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| Motorsport.com | Palou pushes IndyCar’s IR-28 chassis to the limit in rugged Sebring test | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxOaVFITHJuaEdQSUdFekRON1VnWWVCeXdDZC1sMHg0b05YXzQzMzFEc2VhZVZCR3ZFaGlXOUk3Y3RBNFNHUWw0LVF6OVk0ZEJILVZPbFdKVEEyMGhUcXZSSmppd0RSSS1iRFdobVNrdjVTMUNXa19GTXFkMmpsSE1qVnk2aDFXNnZnM2o4QzN1UzR4MDFtMEozUFRIWDJfQmw4ajNWNW85Z2RvZ2xqX3YyeVdDdko4cElycV9LeU13?oc=5) |
| FOX Sports | Alexander Rossi Hustles IR-28 Through More Development at Sebring | [Source Link](https://news.google.com/rss/articles/CBMiqgFBVV95cUxQTWRMX1BjZ3ZhazFkN2otUlFBdXZDdDRMTjJrUElQLWhLUnFacDRKZHhybElQaXFGcFN4LUcwRU5YcDRTcG9xa0RnTl9nV0lrT2pMMWMtNWJWd3F2LUdGSnJaT29rVGYxN3lHQ21mYUVSOHJ4WnZkdnJnR0txbXQtVUcxVUw1WUxxLWFNa2RwZER1Ti1PckhCc3hHX0VLNTBhcDJyQTNaR1Rrdw?oc=5) |
| IndyStar | Why Alex Palou's day testing IndyCar's new car at Sebring was cut short | [Source Link](https://news.google.com/rss/articles/CBMi0wFBVV95cUxPSVZndWthWGV6MVpQc1hPS2RHQnMzSmRtXzlBUnA4cDFLczF0My1vLVhwRTltdVNqUHh4UjBUZWFrc244RURmZlFMaVZBcmRNT2ExWUhsbHA3bDhRLTU0alZnakFLNmFqOWFrTV9TdU5NNXd2YXJRZkF1MkdpV1BGNHRsWVNRZnR0cWl4NHRmYzJKbFJRSktiTy1heURLMF9venNCMFNMN0xwZFhmUnhEMVF1dkt3MjdqeHZweW5MV0lwYXZvR2s3UFhOMDQ0cmFTcG5R?oc=5) |
| RACER - Racing News | IndyCar's IR28 gets an inpromptu taste of running in traffic as testing continues at Sebring | [Source Link](https://news.google.com/rss/articles/CBMivgFBVV95cUxNOUlvWC1WNGFJR2QxeWxCSFBhTndDNWdQZ2NtbUJCS0xRQUFUS25nc3ZoQ1lhaThCTktlN2JIeXhucnZYel8wUmwtM2hsSkI1WkVZelczWWFrWXFJbUM4Z0t6bjU2ejVqZXpoZmpibEhQQXFyZ2pNWS1La0NoQ2k5eEJodDdwVFlfV0dEQm01akR6NGJvYVJ5X3lHWC10SzBBOFVTNDJUaVVfYkg3cjNVb3J5R1R6TDk2MUxQSTdn?oc=5) |
| INDYCAR.com | Shake It Up: Alex Palou Puts IR-28 Through Pounding Paces at Sebring | [Source Link](https://news.google.com/rss/articles/CBMic0FVX3lxTE04U1JwR1hjQTdNN0l5TG5xX1AycWVINmJ2NWZfOVhZVE9YNXRZbURfelVDSXRVaDZ1OHpmR2JhWmVaU1kydVAxRkZUOFJkc2p6WnhtVTVOb1V2X01TdGR1Q1VCMkg2dUlTNm9RRE1NandIODA?oc=5) |
| RACER - Racing News | IndyCar 2028 tests continue at Sebring with Palou and Rossi | [Source Link](https://news.google.com/rss/articles/CBMikgFBVV95cUxPbVk3QUNYSWpCamtQMktZNVFqY2ZqYU55eWRfTDhjUGNFbjZ2Z1VEN3JuQ3ZsTzlFcGNCYWdQOUQxc2xkVVllUjJDMWNUNGRKMnMwOFBFaTJrMVhzVXBzcWtrcl9OTHdpYnp0ZndCWlFOWmNDb1phS3g0dGtRdjRnVWI2M2QyVUxmc2dYblVnZ25Pdw?oc=5) |

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