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BYD Denza Z9S Sedan Revealed with 496 hp and 3,025 mm Wheelbase in MIIT Filing

The Denza Z9S pure-electric sedan has been officially revealed through the latest Ministry of Industry and Information Technology (MIIT) vehicle catalogue. This regulatory disclosure provides the first detailed look at Denza’s upcoming luxury sedan, including its performance configurations and key technical specifications.

Two Performance Configurations Detailed

According to the MIIT filing, the Denza Z9S will be offered in two distinct performance trims. The baseline luxury trim is powered by a permanent-magnet synchronous drive motor from Zhengzhou BYD, delivering a rated capability of 160 kW and a peak output of 320 kW. This version has a curb weight of 2,250 kg and rides on 19-inch wheels with 245/50R19 front and 275/45R19 rear tyres.

The high-performance premium trim steps up to a Zhengzhou BYD motor with a rated capability of 185 kW and a peak output of 370 kW (496 hp). This variant weighs 2,545 kg and features 20-inch wheels paired with HL275/40R20 tyres. Both trims use lithium-iron phosphate battery packs, with the baseline model’s cells produced by Hefei BYD and the premium version’s by Wuwei FinDreams.

Dimensions, Features, and Options

Both Denza Z9S variants share a 3,025 mm wheelbase and measure 5,090 mm in length and 1,980 mm in width. The lower-output model stands 1,510 mm tall, while the higher-performance version is slightly lower at 1,490 mm. Each model is limited to a top speed of 250 km/h and offers seating for five.

Standard features across the lineup include a fixed panoramic glass roof and a mandatory automotive event data recorder (EDR) for safety. Buyers can choose from optional factory equipment such as a motorised active rear spoiler, unique side-rearview mirror housings, and hidden door handles. The high-performance trim also offers custom sport wheel rims and a selection of colored brake calliper finishes.

Sales Performance and Market Context

The Denza brand, a premium joint venture, has shown strong recent sales momentum. In June 2026, the brand recorded 18,631 sales, representing a 19.3% increase over the previous month and a 31.1% rise compared to June 2025. Earlier in the year, winter volumes had dipped to 5,351 units, according to China EV DataTracker.

The Denza Z9 GT, another model in the lineup, surpassed 10,000 deliveries within just 2.5 months of its market launch. The Denza Z flagship, which debuted at Goodwood, started pre-sales from $184,800 (~AUD 266,296).

Why this matters

The Denza Z9S expands the brand’s luxury EV offerings with a choice of high-output powertrains and a spacious, premium-focused design. Its appearance in the MIIT catalogue signals that a retail launch is imminent, giving buyers in the premium segment another electric sedan option with substantial performance and advanced features.

Strong sales growth for the Denza brand in 2026 highlights increasing consumer interest in premium electric vehicles in China, and the Z9S is positioned to further strengthen Denza’s presence in this competitive market.

What this means for buyers

Buyers interested in a luxury electric sedan with multiple performance options and advanced standard features should keep an eye on the Denza Z9S as it approaches its retail launch. The model’s appearance in regulatory filings suggests that official sales could begin soon, and its specifications indicate it will compete directly with other high-end electric sedans available in China.

Key Specs

  • Wheelbase: 3,025 mm (~119 inches)
  • Length: 5,090 mm (~200 inches)
  • Width: 1,980 mm (~78 inches)
  • Height (Luxury Trim): 1,510 mm (~59 inches)
  • Height (Performance Trim): 1,490 mm (~59 inches)
  • Motor Output (Luxury Trim): 160 kW rated / 320 kW peak
  • Motor Output (Performance Trim): 185 kW rated / 370 kW (496 hp) peak
  • Top Speed: 250 km/h

Source

Images sourced from: carnewschina.com

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Hussain A.

EV news writer and editorial/video team lead at The Electric Viking. Researches EV-only stories, publishes news articles, and edits the YouTube videos behind the channel's daily coverage.

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