MG 4X: Preview Solid State Battery SUV
The 2026 MG 4X is the world’s first mass-market electric SUV to transition toward solid-state technology.
Designed to bridge the gap between quirky hatchbacks and family-sized crossovers, it offers a “grown-up” aesthetic with futuristic underpinnings.
The MG 4X is a tech-forward compact SUV featuring a pioneering semi-solid-state battery as standard. It targets younger families and tech enthusiasts looking for superior thermal stability and cold-weather performance.
Price Range: Estimated €31,500 – €38,000 (market dependent).
Body Style & Dimensions
A C-segment compact crossover with a more rounded, mature silhouette than the angular MG4 hatch.
Length: 4,500 mm
Width: 1,849 mm
Height: 1,621 mm
Wheelbase: 2,735 mm
Platform & Performance
Built on the MSP (Modular Scalable Platform) with 400V architecture.
Battery: 53.95 kWh Semi-Solid-State (Manganese-based, only 5% liquid electrolyte).
Range: 510 km (CLTC) / Approx. 380–400 km (WLTP).
Efficiency: ~14.2 kWh/100km.
0-100 km/h: ~7.5 seconds (150kW variant).
Technical Capabilities
Equipped with Horizon Robotics hardware, the 4X features high-speed “Navigate on Pilot” (NOA), automated parking, and Level 2+ ADAS (Adaptive Cruise, Lane Centering).
Interior & Storage
The “Smart Cockpit” features a 15.6-inch 2.5K central display.
Quality: Soft-touch materials with a minimalist, buttons-on-steering-wheel layout.
Storage: ~400L Rear / Small “Frunk” for cable storage.
App Functionality
Deep integration via Oppo “Hand-Car Interconnection,” allowing seamless smartphone app mirroring, remote climate scheduling, and digital key sharing with zero lag.
Pros & Cons
Pros: Exceptional cold-weather range retention; high-end safety tech for the price; faster 30-80% charging (21 mins).
Cons: 54kWh battery is smaller than some “Long Range” rivals; CLTC range figures are optimistic; front-wheel-drive only at launch.
Overall Summary
The MG 4X undercuts the VW ID.3 and BYD Atto 3 on price while offering a battery tech they won’t match for years. It’s a pragmatic, high-tech choice that prioritizes safety and stability over raw 0-100 speed.