The design of the Bajaj Pulsar 180 has evolved significantly since its initial release. The bike's early models had a more traditional design, with a round headlamp and a simpler instrument cluster. Over time, the bike's design has become more aggressive and sporty, with sharper lines and more angular elements. Additionally, newer models feature advanced technologies like LED lighting, a slipper clutch, and an improved suspension system, which further enhance the bike's performance and overall appeal.