Mercedes Benz

  In 2025–2026, J.D. Power’s Initial Quality Study (IQS) shows a notable gap between the two brands. While Tesla has managed to improve its "Problems Per 100 Vehicles" ( PP100 ) score to approximately 266 , Polestar remains at the bottom of the list with a score of 316 . Here are 5 labels explaining why Polestar shows higher problem numbers than Tesla in 2026: The Google/Android "TCAM" Paradox, Cause: Polestar’s infotainment and connectivity are powered by Android Automotive. The Telematics and Connectivity Antenna Module (TCAM) is a frequent fail point, causing total loss of GPS, LTE, and digital keys in the first 90 days. Impact: Tesla’s proprietary software is more tightly integrated into its hardware. While Tesla owners report "bugs," Polestar owners report "total system blackouts," which carry more weight in quality surveys. Legacy Hardware in New-Age EVs, Cause: Polestar uses many components shared with Volvo’s internal combustion engin...