MG 4X EV SUV Spotted with Semi-Solid-State Battery, 510km Range

According to the latest vehicle registration catalog released by China's Ministry of Industry and Information Technology (MIIT), SAIC Motor’s MG brand has officially filed the MG 4X—the first all-electric SUV in the MG 4 family—in March 2026. The new model will feature advanced semi-solid-state battery technology, delivering a CLTC-rated range of 510 kilometers. Positioned as a compact all-electric SUV, the MG 4X not only continues MG’s youthful design language but also enhances overall performance through high energy-density batteries. This filing marks a significant step toward mass production and market launch, positioning the MG 4X as a key strategic addition to MG’s new energy vehicle portfolio.