——汽车和汽车零部件行业观点更新：聚集订单持续性与财报业绩兑现，持续关注内燃机产业链-20260330

Investment Rating - The report maintains a "Buy" rating for the automotive and automotive parts industry, indicating expected returns exceeding the market benchmark by more than 15% over the next 6-12 months [6]. Core Insights - The automotive sector underperformed the market in Q1, with the CITIC A-share automotive index down 6.1%, lagging behind the CSI 300 index by approximately 1.5 percentage points. Passenger vehicles outperformed parts, with the passenger vehicle index down 4.6% compared to a 10.4% decline in the automotive parts index [1][2]. - The report highlights a rebound in some vehicle stocks in March, driven by improved order trends and earnings performance. The focus will be on the sustainability of order recovery and financial performance [2]. - Cost pressures from rising prices of components such as chips, batteries, and metals are expected to impact profit margins across the industry, with estimates suggesting a 3-5 percentage point decline in gross margins [2]. - The report identifies investment opportunities in the internal combustion engine supply chain, particularly due to increased demand for power generation driven by AI and electricity shortages. It emphasizes the potential for order releases related to exhaust emission products [3]. Summary by Sections Automotive Market Performance - The CITIC A-share automotive index and automotive parts index are currently at their three-year average and -1 standard deviation, with respective PE-TTM valuations of approximately 31.8x and 34.2x [1]. - The passenger vehicle index is at a +1 standard deviation level, with a PE-TTM of about 35.0x [1]. Cost and Margin Analysis - The report estimates that the cost increases in components will lead to a gross margin decline of 3-5 percentage points across the supply chain, with specific impacts from electronic hardware upgrades, aluminum and copper price increases, and battery cost hikes [2]. Investment Recommendations - Recommended stocks include Geely Automobile, NIO, and Tesla in the vehicle segment, and Fuyao Glass in the parts segment. For internal combustion engines, companies like Weichai Power and Aikelan are highlighted for their potential [4][5].