Core Viewpoint - The article discusses the design and engineering principles behind the handling and comfort of the Li Auto i6, emphasizing the importance of physical attributes and user experience in vehicle performance [1][3][4]. Summary by Sections Vehicle Dynamics - Vehicle handling and comfort are determined by four main physical attributes: weight, wheelbase, center of gravity, and suspension structure [4][5]. - The tuning process involves a trade-off between "bouncing" and "swaying," where a stiffer suspension enhances handling but sacrifices comfort, while a softer suspension improves comfort but can lead to motion sickness [5][6]. Design Philosophy - The company aims to use rational quantitative data to address subjective user experiences, ensuring that the i6 provides enjoyable driving dynamics within a safe operational range [6][8]. - The i6 is designed to enhance "bouncing" to improve driving pleasure, particularly in the context of a mid-range SUV [5][7]. Hardware and Safety - The i6 features high-end hardware, including a front double-wishbone and rear multi-link suspension, which are typically found in luxury SUVs, contributing to its performance and safety [7][8]. - The vehicle's chassis performance is rated at 90% of its potential to maintain a safety buffer, reducing accident rates [2][8]. Control Systems - The company has developed its own control systems for the vehicle, integrating ESP, steering, and braking to enhance drivability, even for novice drivers [2][9]. - The i6 allows for adjustable performance settings, enabling users to experience driving pleasure without pushing the vehicle to its limits [9][10]. Emotional Experience - The i6 simulates the emotional excitement of driving a supercar without requiring extreme speeds, providing a unique driving experience [10][11]. - The development of the vehicle's chassis is a meticulous process, relying on the expertise of engineers and product managers to ensure high-quality performance [11][12]. Industry Context - The advancement of the Chinese automotive industry has enabled Li Auto to achieve significant self-research capabilities in chassis and software, enhancing the value proposition for consumers [13][14]. - The article highlights the positive feedback loop between improved product quality and rising consumer expectations, benefiting both users and manufacturers [14].

Core Insights - Porsche has officially closed the order channel for the gasoline versions of the 718 Boxster and Cayman globally, marking the end of an era for these models [2][4] - The decision aligns with the EU's stringent regulations that necessitate the withdrawal of gasoline models from the market, with production lines continuing to fulfill existing orders until 2026 [4][6] - The transition from gasoline to electric is not just a regulatory response but also a strategic pivot for Porsche, as the electric successor has faced delays due to supply chain issues [6][12] Group 1: Transition to Electric - The gasoline 718's discontinuation is primarily driven by the UN's Regulation No. 155, which mandates a comprehensive cybersecurity management system for vehicles [8][10] - Porsche's decision to abandon the costly modifications required to meet new regulations reflects a rational business strategy, redirecting resources to the development of the next-generation electric model [10][12] - The electric 718 is expected to be unveiled in 2025, with testing vehicles already spotted, indicating that Porsche is accelerating its development efforts [12][18] Group 2: Market Challenges - The automotive landscape has dramatically changed, particularly in China, where Porsche's sales have seen significant declines, with a nearly 9% drop globally and a 23% and 28% decrease in Germany and China, respectively [29][31] - The electric 718 will face intense competition from emerging high-performance electric vehicles from Chinese brands, which offer superior performance and design at lower prices [31][32] - The success of the electric 718 is critical not only for its technical performance but also for its ability to carve out a market presence amidst fierce competition [32][34]

Core Insights - Porsche has officially closed the order channel for the gasoline versions of the 718 Boxster and Cayman globally, marking the end of an era [1][3] - This decision was anticipated due to stringent EU regulations that forced the gasoline 718 to exit the European market by early 2024, now extending worldwide [3][5] - The production lines in Zuffenhausen and Osnabrück will continue to operate until 2026 to fulfill existing orders, making the last gasoline 718 models collectible items upon delivery [3][5] Group 1: Transition to Electric - The discontinuation of the gasoline 718 was primarily driven by the UN's Regulation No. 155, which mandates a comprehensive cybersecurity management system for vehicles throughout their lifecycle [7][9] - The existing electronic architecture of the gasoline 718, developed over a decade ago, is incompatible with these new requirements, necessitating extensive modifications that would cost nearly half the budget of developing a new car [9][11] - The anticipated electric successor has faced delays due to issues with battery supplier Northvolt and powertrain challenges, pushing the release to 2025 [11][19] Group 2: Design and Performance of Electric 718 - The electric 718 will be built on the PPE platform, similar to the Taycan, and will feature an 800V architecture, with plans for both single-motor rear-wheel drive and dual-motor all-wheel drive versions [19][21] - Engineers aim to replicate the driving dynamics of the gasoline version by placing the battery pack behind the cockpit to maintain a similar weight distribution [21][25] - Porsche is committed to providing a driving experience that retains the brand's essence, focusing on advanced software and control systems to enhance handling and performance [25][23] Group 3: Market Challenges - Porsche faces significant challenges in the evolving automotive market, particularly in China, where competition from local high-performance electric vehicles is intensifying [28][30] - The brand's sales have declined nearly 9% globally, with substantial drops of 23% and 28% in Germany and China, respectively, indicating increased pressure on profitability [28][30] - The electric 718 must not only prove its technical capabilities but also justify its premium pricing in a market where performance is becoming more accessible [30][32]

Group 1 - BMW Group announced the launch of multiple personalized and high-performance products at the upcoming 2025 Chengdu Auto Show, showcasing the joy of driving [1] - The BMW M family will present 9 models, including the highly anticipated all-new BMW M2 CS coupe, which is described as a "performance totem" [1][3] - The all-new BMW M2 CS coupe is based on the second generation BMW M2 and features a BMW M-developed six-cylinder engine, advanced racing technology, and a lightweight design using carbon fiber components [3] Group 2 - MINI will showcase 10 modified models at its booth, emphasizing the brand's focus on driving fun, playfulness, and emotional value [4] - The modified MINI models reflect the brand's personality of being bold and unconventional, with a variety of unique styles [4][6] - The "Dancing Steps" limited edition kit for the MINI ACEMAN features gold rally wheels that enhance aerodynamics and protect the brake system, along with a mysterious rally-style vehicle honoring the classic Mini's 1965 Monte Carlo Rally victory [6]

Group 1 - The event "2025 Automotive Technology Lecture Series: Hardcore Off-Road Tour" was held at Shandong University of Technology, focusing on "Dynamic Modeling and Engine Calibration" with participation from students, engineers, and experts [1] - The 212 T01, a full-terrain hardcore off-road vehicle, features up to 10 driving modes, including 7 professional off-road modes, powered by a 2.0T gasoline engine with a rated power of 185 kW and a maximum torque of 410 N·m [4] - The importance of engine calibration and tuning is emphasized to ensure optimal performance under various conditions, with extensive testing conducted in extreme environments [6][8] Group 2 - The driving experience is influenced by engine performance, but not directly proportional to engine specifications; different vehicle types require tailored calibration based on driving scenarios [3] - The engine control unit (ECU) is crucial for managing engine parameters, and understanding internal combustion engine principles is essential for effective tuning [7] - Engine calibration experiments are vital for optimizing performance, focusing on power output and fuel efficiency, particularly in applications like formula racing [8]

撰 文 / 刘宝华 设 计 / 赵昊然 宝马集团3月14日举行新世代科技战略沟通会，在宝马最新技术成果新世代车型上，并没有把自动 驾驶作为重点，而是坚持将驾驶乐趣作为核心竞争力。宝马的观点是"不会轻易把方向盘交给机 器"。 一个疑问是，除了去掉方向盘的L5，在新汽车时代，自动驾驶和驾驶乐趣能否兼得？ 在试驾问界新M5 Ultra后，答案清晰明确。 如今的新车，冰箱彩电大沙发全副武装，通风加热按摩比家里还舒适。这些都是令人喜爱的功能创 新，让汽车更全能。但汽车毕竟是个运动载体，不少人钟爱驾驶乐趣，智能驾驶乃至自动驾驶又是 必然的趋势。驾驶乐趣与智能驾驶辅助，看起来是两个极端的矛盾，幸运的是，一直有车型努力将 二者无缝结合。 3月20日，问界新M5 Ultra上市，这个问界家族的开创者问世3年多迎来最强迭代，在颜值、智驾、 驾控、座舱、安全方面升级焕新，加量的同时降价，成为20万级SUV中最具性价比、竞争力的选手 之一。 在问界家族，M5是一个特殊的存在，从外观造型到操控再到气质，它与M7、M9以及即将上市的 M8截然不同。后三者是统一风格的家用SUV，成熟沉稳，而M5一直是年轻、时尚、运动风格，是 鸿蒙智行家族 ...