Mercedes Benz

In 2026, the data from J.D. Power and independent reliability trackers highlights a significant "Early Ownership Gap" between Tesla and Polestar. While both brands struggle compared to legacy manufacturers, their high "Problems Per 100" ( PP100 ) scores stem from very different root causes. Here are 5 labels explaining why Polestar (~316 PP100) shows more frequent issues early in ownership than Tesla (~266 PP100) : The "TCAM" Connectivity Blackout, Cause: Polestar’s Telematics and Connectivity Antenna Module (TCAM) is a frequent fail point in the first 90 days. It often results in a total loss of GPS, LTE, and digital key functionality. Impact: While Tesla’s software is proprietary and vertically integrated, Polestar’s Google-based system can suffer from "handshake" errors between the car and the cloud, leading to immediate "Initial Quality" complaints that require a physical reset at a service point. New Platform "Launch Fever...