The Slammedenuff SoCal Car Show returns to the Ontario Convention Center on April 12, 2026. The event will run from 1 p.m. to 6 p.m., featuring both indoor and outdoor car showcases. Vendor and media registration details will be announced. Confirmed sponsors include GripRoyal and VinylFrog. Models and additional award information are to be announced. The event encourages respect for the venue, requesting no alcohol, vaping, burnouts, drifting, or racing. Pets are not allowed indoors. Award categories are based on approved participants, with vehicles without a specific model category competing for make and specialty awards.