European passenger car markets are currently in a “triple coexistence” phase in which ICE, hybrid and BEV powertrains all retain substantial share under tightening EU CO₂ regulation, creating structural space for range‑extended architectures that mitigate range and charging anxiety. In this context, Stellantis and Leapmotor are introducing the B10 REEV / B10 Hybrid EV in Europe as a C‑segment, series‑dominant “electric‑first” SUV that complements the B10 BEV and builds on early experience with the C10 REEV / C10 Hybrid EV, positioning range‑extended concepts as a pragmatic bridge between BEV benefits and ICE‑like range security. The thesis aims to design an integrated market‑entry, consumer segmentation, pricing and sales planning, and dealer‑training strategy that accelerates B10 REEV / B10 Hybrid EV adoption in Europe before competitive imitation and EV market saturation erode first‑mover advantages around 2027.