The Piper Roadster was a groundbreaking project undertaken by Vauxhall in the early spring of 1963. Situated amidst the finalization of the Viva HA-Series program, this clandestine venture led by the Styling Department, under the stewardship of David Jones, aimed to pioneer a new market segment for the company. Inspired by the success of Austin's Frog-Eyed Sprite, the concept envisioned a compact, affordable 2-seater roadster utilizing major components from the Viva HA.

With remarkable speed, the development progressed from initial sketches to clay scale models, culminating in a full-sized mock-up by the summer of 1963. This design, a fusion of influences from iconic vehicles like the Jaguar E-Type and Lotus Elan, captured attention with its stunningly sleek and modern appearance, outshining contemporaries such as the Austin Sprite.

Following unanimous praise for the clay model, the project advanced rapidly to produce a full-size glass-fibre styling model. Adorned in a striking light blue exterior finish, the Piper Roadster boasted intricate detailing reminiscent of prestigious Italian design houses, signaling Vauxhall's prowess in automotive styling.

Notable features included fared-in headlamps, chrome quarter bumpers, and a distinctive front grille adorned with the Griffin logo. The interior showcased a simple yet elegant dashboard design and a meticulously crafted steering wheel bearing the Vauxhall insignia.

Dubbed "Piper," the project aimed for a 1965 debut, with plans for a limited production run. However, its existence as a fully functional prototype was unusual, considering its lack of formal approval for production. This costly endeavor involved a dedicated team of engineers tasked with transforming the design into a roadworthy vehicle.

The transition from concept to road-going prototype necessitated certain modifications, altering some of the initial design's purity and simplicity. Changes ranged from cosmetic adjustments to essential structural revisions, tailored to enhance the car's appeal, possibly to suit the taste of influential figures like GM VP of Design, Bill Mitchell.

Despite its impressive presentation and positive reception during test drives, the Piper Roadster ultimately faced an uncertain fate. David Jones's ambitious gamble to showcase the prototype to Mitchell during a scheduled visit in December 1963 did not yield the desired outcome. Despite Mitchell's enthusiasm, the project was dismantled shortly after, marking a missed opportunity for Vauxhall to diversify its product lineup and compete in a burgeoning market segment.

The Piper Roadster remains a testament to Vauxhall's design prowess and innovation during the early 1960s. While its fate may have been relegated to obscurity, its legacy as a symbol of unfulfilled potential continues to intrigue automotive enthusiasts and historians alike, prompting speculation about what could have been in the annals of automotive history.