Additive Manufacturing, or 3D printing, is a new-age automotive technology with enhanced flexibility in design, material savings, and shortened production cycles. The current review discusses the development and utilisation of AM technologies like FDM, SLA, SLS, DED, WAAM, LOM, and SGC in car design, prototyping, tooling, and manufacturing. It emphasises the future of AM in transforming component personalisation, light weighting, and spare parts supply, particularly for electric and self-driving cars. Drawing on case studies among top automobile manufacturers and quantifying technology innovation and constraints, the paper offers a complete picture of how AM is making a difference in terms of innovation, sustainability, and cost within the automotive industry. It also addresses current difficulties like material limitations, quality assurance, and scalability, and prospects for future research and industrial prospects for further AM integration.
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