The debate over which suspension technology is superior has ignited a public spat between two major Chinese electric vehicle manufacturers.
On the morning of June 5th, a video titled "Li Auto L9 Livis vs. NIO ES9 Wavy Road Test Comparison" briefly appeared on Li Auto Inc.'s official mini-program. The video showed both vehicles on a wavy paved surface, with their suspensions adjusted to the hardest and softest settings, to see which handled it more stably. It was quietly removed before noon.
The situation, however, had already escalated. At 2 PM, Ma Lin, a Vice President at NIO Inc., questioned the authenticity of the video online. By 4 PM, Tang Jing, President of Li Auto's First Product Line, responded, stating the video was "internal learning material" intended to understand why NIO's CEO claimed 48V was a generation ahead of 800V.
The Spark That Lit the Fire
While the public spectacle is entertaining, a key detail is that Li Auto did not initiate this conflict. Five days earlier, on May 27th, at the NIO ES9 launch event, CEO William Li stated to the audience: "The 48V integrated system is a generation ahead of 400V/800V split systems." This was a clear, public critique of the technical path chosen by Li Auto.
So, the sequence is clear: NIO fired the first shot, and Li Auto responded. Li Auto's response, however, was undignified—an official, self-produced competitor comparison video, acting as both participant and judge, was a loss of professional posture. Yet, William Li's public disparagement of a rival's technology at a launch event was also a questionable strategic move.
Notably, Li's statement bundled 400V and 800V split systems together. While 400V split systems exist in the industry, the Li Auto L9 Livis uses an 800V system. By grouping them, the remark cleverly diluted the uniqueness of Li Auto's 800V solution, employing savvy but arguably misleading marketing rhetoric.
A more appropriate counter from Li Auto would have been to leverage third-party media tests, similar to a live comparative review on May 31st which showed both vehicles had their own strengths and weaknesses. Citing independent data could have rebutted the "generation ahead" claim without creating controversy. Unfortunately, that path was not taken.
Unpacking the Technical Debate
So, what is the actual difference between these suspension technologies? A traditional passive suspension uses springs and dampers to absorb bumps. A full active suspension, however, has independent power and drive units, allowing it to actively exert force—like an "electronic muscle" for each wheel that can think and react.
From this point, NIO and Li Auto have taken different paths. NIO's 48V integrated system is compact, with components packaged together, saving space and simplifying wiring. Its focus is on body stability and comfort on everyday roads, akin to wearing a sturdy dress shoe—reliable and suitable for most occasions.
Li Auto's 800V split system places an 800V hydraulic pump at each wheel, capable of providing over 10,000 Newtons of active support force per wheel, decoupling them for independent control. The emphasis here is on handling, allowing a large, heavy vehicle to feel confident on winding roads—more like a performance athletic shoe, offering agility and power.
A底盘 engineer with years of development experience offers a crucial perspective: "These two technical routes are not about superiority; they represent different trade-offs made by automakers based on their respective product positioning." In other words, both approaches have merit depending on the goal.
Li Auto prioritizes giving a large SUV good handling, while NIO focuses on subtle, everyday comfort that users may perceive more readily. The field of full active suspension is still evolving, with no definitive "correct" answer. Furthermore, claims of one being "a generation ahead" are debatable. While integrated systems are more compact, split systems offer greater force output and more precise, independent wheel control. The efficiency advantages of an 800V platform—smaller current, less heat, stable high-load output—are also real.
The choice between 48V and 800V also reflects broader corporate electrical architecture strategies. NIO employs a domain-wide 48V low-voltage platform for simplicity and potential long-term cost benefits. Li Auto extends its high-voltage platform to the suspension for synergy with its overall 800V vehicle architecture. It is too early to declare a winner, as mass production of these systems is just beginning and requires years of market validation.
Beyond the Technical Noise
For consumers, the best advice is simple: don't get bogged down in parameters alone. Chassis performance hinges on both hardware and calibration, and the latter is an art. The most fair judge is a test drive. Your own experience behind the wheel, feeling the car over bumps and through corners, is more valuable than any marketing claim of being "the best" or "a generation ahead."
The Financial Backdrop
The intensity of this spat is underscored by the two companies' contrasting financial situations. Li Auto Inc.'s Q1 2026 results showed revenue of 22.98 billion yuan, down 11% year-over-year, and a net loss of 2.29 billion yuan. Overall gross margin was 7.9%, with vehicle margin at 6.1%, a significant drop from around 20% a year ago.
Conversely, NIO Inc.'s Q1 2026 revenue surged 112.2% year-over-year to 25.53 billion yuan, marking its second consecutive quarter of Non-GAAP operating profit. Its comprehensive gross margin reached 19%, a four-year high, driven by strong sales of high-value models.
This financial divergence helps explain the heightened sensitivity. When a company is under pressure to prove it hasn't fallen behind, its public stance can become defensive. What was intended as a rebuttal can appear as an overreaction, revealing underlying anxiety.
Ultimately, this competition, while currently focused on a high-end niche, signals a shift in the new energy vehicle battlefield from basic features to refined experiences like ride quality and handling. For consumers, such rivalry can accelerate technological progress.
However, the loudest arguments are no substitute for hard results. Whether a suspension is 48V or 800V will be judged by its performance on the road. Whether a company is on an upward or downward trajectory will be determined by the numbers in its financial reports. The market will deliver the final, most objective score.
Until then, perhaps fewer claims of being "a generation ahead" and fewer self-produced comparison videos, in favor of focusing on building better cars, would serve both companies well.
Comments