BYD's First D-Segment All-Electric SUV, the 2026 Datang, will be launched on March 5th

BYD will officially launch its first D-segment flagship SUV, the 2026 Datang (Don), on March 5th, 2026. With its 5.3-meter ultra-long body, 3130mm ultra-long wheelbase, full-range 1000V high-voltage platform, and megawatt-level flash charging, it signals the official entry of Chinese brands into and dominance of the 400,000 RMB full-size all-electric SUV market. This is not just a product iteration, but a comprehensive challenge to the definition of luxury SUVs.

1. Basic Vehicle Parameters

Real-world testing feedback: With seven passengers, the vehicle's wind noise control at high speeds is superior to comparable gasoline flagship models, achieving a "library-level" level of cabin quietness.

2. Vehicle Core Technologies

2.1 Full-Domain 1000V High-Voltage Platform + Megawatt Flash Charging

Charging Speed: 5 minutes to add 400km of range, 10 minutes to charge from 10% to 80%, exceeding 90% of the refueling speed of gasoline vehicles.

Battery System: Equipped with a 108.8kWh lithium iron phosphate "blade battery," supporting a 10C supercharger rate and a cycle life exceeding 3000 cycles.

Compatibility: Supports BYD's self-built megawatt-level supercharging stations, and is also compatible with third-party 800V/480kW fast charging piles.

2.2 Tian Shen Zhi Yan B Advanced Intelligent Driving System

Hardware Configuration: 1 LiDAR + 12 Cameras + 5 Millimeter-Wave Radars + 12 Ultrasonic Radars

Function Coverage:

Urban NOA (Map-less Solution): Supports unprotected left turns, lane-cutting detection, and detours around construction zones.

Highway NOA: Automatic lane changing, overtaking, and ramp merging.

Full-Scene Automatic Parking: Supports perpendicular, parallel, and angled parking spaces, and even reversing into narrow alleys.

Computing Platform: Equipped with a 23.5 EFLOPS self-developed chip, AI decision latency is less than 100ms.

2.3 Yun Nian-A Intelligent Air Suspension + Rear-Wheel Steering

Suspension System: Dual-chamber air springs + Electromagnetic damping, supports 150mm height adjustment, and allows one-button switching between "Comfort," "Sport," and "Off-Road" modes.

Rear-wheel steering: Maximum steering angle of 5°, reducing the turning radius of this 5.3-meter behemoth to 11 meters, comparable to an A-class sedan.

Pre-aiming system: Scans road conditions 5-15 meters ahead using a forward-facing camera, adjusting the suspension in advance for smooth driving over speed bumps.

Real-world user experience: In real-world testing on complex mountain roads, the vehicle automatically identifies slopes, potholes, and curves, with precise suspension response and no motion sickness for passengers.

3. Vehicle Design

3.1 Front:

A 2.4-meter-long continuous "wing-shaped" daytime running light strip houses over 2,000 LEDs, illuminating the space like a Tang Dynasty palace lantern corridor.

A centrally mounted illuminated "Tang" character emblem provides excellent nighttime visibility.

The matrix headlights are vertically arranged, resembling "dragon eyes," blending technological sophistication with oriental elegance.

3.2 Side:

A two-tone body (dark gray/black roof) creates a floating roof visual effect.

21-inch multi-spoke wheels inspired by bronze ware patterns.

Hidden door handles and frameless doors enhance the sense of luxury.

3.3 Rear:

3D Chinese knot-style continuous taillights with phoenix wing designs embedded in the light housing, illuminating like a traditional lantern.

The license plate holder has been moved to the center of the tailgate for a cleaner look.

A large roof spoiler balances aerodynamics and sporty character.

3.4 Interior:

15.6-inch floating central control screen + 10.25-inch passenger entertainment screen + 12.3-inch full LCD instrument panel

Electronic gear selector + wireless charging (front dual seats + rear dual seats)

Nappa leather + real wood trim + 64-color ambient lighting, creating an "Oriental Zen" cabin

Panoramic sunroof (dimmable) covers the front to the third row, with a lighting area of 1.8㎡

4. Vehicle Competitor Comparison

Key Conclusion: The Datang leads in five dimensions: size, range, charging speed, intelligent driving hardware, and chassis technology, and its price has dropped to the 400,000 RMB range, making it the only domestic flagship to achieve a four-in-one combination of "full-size space + ultra-fast charging + advanced intelligent driving + rear-wheel steering".

5. Summary

The upcoming release of the 2026 BYD Datang marks a crucial turning point for Chinese electric vehicles, moving from "technology catching up" to "standard setting":

For families with multiple children: 7-seat flat-bottom space + zero-gravity seats + rear entertainment screens ensure children sleep soundly and parents are relaxed;

For business elites: 5.3-meter body + Chinese-style taillights + Cloud Chariot suspension allow for dignified and composed client reception;

For tech enthusiasts: 5-minute refueling provides 400km range + the "Eye of the Gods" B system transforms the car into a mobile AI terminal;

For price-sensitive consumers: A configuration comparable to the 400,000 RMB standard, starting at 399,800 RMB, saving enough for three years of fuel.

It doesn't rely on lavish features like refrigerators, TVs, and large sofas, but rather redefines "Chinese-style luxury" with its fully self-developed core technologies.

It's not about expensive labels, but about enabling every ordinary family to enjoy a top-tier travel experience. The 2026 BYD Datang is not just a car, but a mirror reflecting the confidence of "Made in China" in intelligent manufacturing.