Denza, BYD's premium brand, has filed the new Z9S all-electric sedan with China's Ministry of Industry and Information Technology, signaling an imminent official launch. The Z9S's dimensions closely mirror those of its direct rival, the Xiaomi SU7, positioning it as a head-to-head competitor. The sedan comes in two powertrain variants with BYD's permanent magnet synchronous motors—320 kW (429 hp) and 370 kW—both delivering a top speed of 250 km/h. Equipped with lithium iron phosphate (LFP) batteries and available with options including an electric spoiler, exterior mirrors, and door handle variants, the Z9S represents Denza's latest addition to its Z series lineup and part of the brand's aggressive product expansion in China's highly competitive premium electric sedan segment.
Key Points
🎯 Dimensions and Positioning: Length 5,090 mm, width 1,980 mm, wheelbase 3,025 mm—closely aligned with the Xiaomi SU7 (4,997 mm long, 3,000 mm wheelbase).
⚡ Lower-Power Variant: 320 kW motor (429 hp), body height 1,510 mm, curb weight 2,250 kg, 19-inch tires.
⚡ Higher-Power Variant: 370 kW motor, body height 1,490 mm, curb weight 2,545 kg, 20-inch tires.
🔋 Battery and Technology: Both versions feature BYD's permanent magnet synchronous motor and LFP batteries, with optional configurations including electric spoiler, different exterior mirrors, and door handles.
🏁 Performance: Top speed 250 km/h for both versions.
📅 Launch Timeline: Expected official launch within the coming months, following standard regulatory filing procedures in China.
📊 Denza Context: Denza delivered 20,352 vehicles in June 2026, up 28.95% year-over-year and marking a new monthly record, though first-half cumulative deliveries reached 66,541 units—down 16.65% year-over-year. The Z9S addition is expected to enrich Denza's product portfolio and strengthen its position in China's intensely competitive premium all-electric sedan market.
