A Comparative Study on Conventional Shift-by-Cable and Modern Shift-by-Wire Gear Selector Systems in Automatic Vehicles

Abstract

The automotive industry is witnessing a significant transformation in automatic gear selectors, transitioning from traditional mechanical 'Shift-by-Cable' (SbC) to advanced 'Shift-by-Wire' (SbW) systems. This evolution is driven by the demand for enhanced user ergonomics, compact designs that improve cabin space, and greater cost-effectiveness in production. This article presents a literature-driven comparative analysis focused on assessing the operational performance, ergonomic characteristics, and cost implications of traditional Shift-by-Cable (SbC) systems versus advanced Shift-by-Wire (SbW) systems. By synthesizing contemporary research, the study evaluates key metrics such as system reliability, impacts on driver-vehicle interaction, and holistic costs covering manufacturing through long-term serviceability. This review offers a critical perspective on the distinct advantages and challenges of each technology, providing a foundational reference for future developments in vehicle powertrain control and interior architecture.