...We expect higher labor costs and rising pricing pressure to lower General Motor Co.'s (GM) EBITDA margins below 10% for 2024 and 2025. Although the company faced incremental cost pressures from higher warranty costs due to inflationary factors this year, it improved its performance across segments, resulting in S&P Global Ratings-adjusted EBITDA margins of 9.9% for the nine months ended Sept. 30, 2023. We expect GM's EBITDA margins be about 10% in 2023 (excluding the strike-related production disruption impact) before declining below 10% in 2024 onwards owing to higher labor-related expenses coupled with lower margins from a weaker product mix and pricing pressure relative to recent periods. Following the recent ratified agreement reached with the United Auto Workers, higher labor- related expenses will lead to annual incremental costs (relative to its previous contract) of roughly $200 million in 2023, $1.5 billion in 2024, $1.8 billion in 2025 , and over $2 billion in both 2026 and 2027....