The 2026 CELESTIQ is Cadillac’s first ultra-luxury electric sedan and the brand’s new flagship. It’s sleek, dramatic, and loaded with tech, built on GM’s Ultium platform as the Escalade IQ and GMC Hummer EVs. This is not a car that you just ride off the lot—Cadillac builds the CELESTIQ to order, with near-limitless customization inside and out, making it one of the most exclusive Cadillacs ever produced. Here's what you need to know if you hope to get one!