The 1985 Toyota Celica GT-S Convertible: A Blend of Reliability and Open-Air Driving
Cars

The 1985 Toyota Celica GT-S Convertible: A Blend of Reliability and Open-Air Driving

authorBy Simona De Silvestro
DateApr 28, 2026
Read Time6 min

In the mid-1980s, the automotive landscape witnessed a notable shift as consumers began to crave the exhilarating freedom offered by convertible vehicles. Toyota, a brand synonymous with unwavering reliability and meticulous engineering, recognized this burgeoning demand. Rather than compromising their established reputation, they embarked on a strategic venture to introduce a convertible version of their popular Celica GT-S. This initiative underscored Toyota's commitment to innovation while steadfastly adhering to the high standards that had earned them the trust of millions. The collaboration with Automobile Specialty Company (ASC) was pivotal, enabling Toyota to leverage specialized expertise in convertible conversions without ceding control over the crucial aspects of quality and structural integrity. This careful approach ensured that the open-top Celica would not only meet the aesthetic desires of drivers but also maintain the robust performance and durability expected of a Toyota vehicle. The resulting 1985 Toyota Celica GT-S Convertible emerged as a testament to this balanced philosophy, offering an enticing blend of exhilarating open-air motoring and the peace of mind that came with the Toyota badge.

The meticulous conversion process of the Celica GT-S into a convertible was a fascinating endeavor, showcasing the rigorous attention to detail that defined Toyota's manufacturing ethos. While the modification inevitably introduced minor alterations to the vehicle's dynamics, such as a slight increase in weight and subtle variations in structural rigidity compared to the coupe, these were carefully managed to preserve the core driving experience. The article from Car and Driver's November 1984 issue vividly captures the essence of driving this unique model, portraying it as a delightful vehicle that satisfied the emotional desire for a convertible without significant trade-offs in practicality or performance. It highlighted the car's ability to provide a serene cabin environment, even at higher speeds with the top down, a feature that contributed significantly to its appeal. This harmonious integration of design and engineering ensured that the 1985 Toyota Celica GT-S Convertible was more than just a modified car; it was a thoughtfully crafted vehicle designed to deliver joy and reliability to its owners, cementing Toyota's position as a forward-thinking yet dependable automaker.

Engineering the Open-Air Experience: Toyota's Meticulous Convertible Conversion

In response to a growing market demand for convertibles, Toyota embarked on an ambitious project to transform its well-regarded Celica GT-S into an open-top variant. This strategic move was not undertaken lightly, as Toyota was keenly aware of its hard-earned reputation for manufacturing vehicles of exceptional reliability and quality. To ensure these standards were upheld, the company partnered with the Automobile Specialty Company (ASC) for the conversion process, a collaboration that meticulously planned and executed every detail. Japanese engineers played an integral role, overseeing the design and implementation of structural reinforcements to compensate for the removal of the rigid roof. Their involvement extended to maintaining stringent quality control throughout the production line, from the initial body modifications to the final assembly of the soft top. This rigorous oversight included numerous inspection stations, leak tests, and corrosion protection measures, all aimed at guaranteeing that the convertible version would embody the same robust integrity as its coupe counterpart. The ultimate goal was to deliver a vehicle that not only provided the thrill of open-air driving but also reinforced Toyota's core brand values of durability and dependability.

The intricate process of converting the Celica GT-S involved more than just removing the roof; it was a comprehensive engineering exercise. The base notchback bodies were largely completed in Japan, then shipped with specific component kits to ASC's plant in Long Beach, California. Here, the specialized work began, which included extensive underbody structural bracing, incorporating numerous plates, gussets, and strips designed to retain an impressive 95 percent of the original vehicle's beam and torsional stiffness. This critical step was followed by the careful removal of the roof and the integration of additional bracing, hardware, and the custom-designed soft top. The attention to detail extended to the convertible's amenities, such as a fully lined interior that concealed the soft top's mechanisms, a three-piece vinyl-covered fiberglass boot for a sleek appearance when the top was retracted, and an electrically heated rigid glass backlight that articulated neatly during operation. These features, combined with the proven GT-S suspension and performance tires, ensured that drivers would experience a pleasant and secure ride. Although the convertible weighed slightly more and exhibited a minor degree of torsional resonance compared to the coupe, these characteristics were carefully managed, making the 1985 Toyota Celica GT-S Convertible a highly desirable and well-engineered vehicle that lived up to its marque's esteemed reputation.

Driving the Dream: Performance and Pleasure of the Celica GT-S Convertible

The 1985 Toyota Celica GT-S Convertible was designed to be a driver's car, offering a blend of exhilarating performance and the sheer pleasure of open-air motoring. Despite the inherent challenges of converting a coupe into a convertible, Toyota and ASC worked diligently to preserve the dynamic qualities that made the Celica GT-S a popular choice. The vehicle's GT-S suspension, renowned for its athletic handling, was maintained, providing a responsive and engaging driving experience. Paired with high-performance Potenza tires, the convertible offered impressive grip and stability, allowing drivers to confidently navigate various road conditions. Whether cruising along coastal highways or tackling winding mountain roads, the Celica GT-S Convertible promised a ride that was both spirited and comfortable. The meticulous engineering efforts ensured that, even with the top down, the interior environment remained remarkably serene, a testament to the thoughtful design and quality craftsmanship. This focus on delivering a joyful and capable driving experience was central to the convertible's appeal, making it more than just a car, but a lifestyle statement for those seeking both performance and the freedom of the open road.

Owners of the 1985 Toyota Celica GT-S Convertible found the vehicle to be a highly enjoyable companion, adept at handling diverse weather conditions. The robust design of the soft top, including its complete inner liner and precise sealing, ensured that even during inclement weather, such as thunderstorms, the cabin remained dry and protected. The retractable soft top was engineered for both practicality and aesthetics, featuring a sophisticated three-piece, vinyl-covered fiberglass boot that elegantly concealed the top when stowed. A notable design element was the rigid glass backlight, which not only offered electrical heating for clear visibility but also articulated seamlessly during retraction, further enhancing the user experience. Additionally, the convertible retained a convenient pass-through to the trunk area, a feature often compromised in open-top designs, making it practical for carrying longer items like skis (presumably water skis, given the car's sporty, leisure-oriented appeal). While the convertible weighed approximately 275 pounds more than its coupe counterpart and occasionally exhibited subtle torsional resonance under aggressive driving, these minor trade-offs were easily overshadowed by the overwhelming sense of freedom and enjoyment it provided. The careful balance of performance, practicality, and open-air luxury solidified the Celica GT-S Convertible's position as a truly coveted vehicle, promising its owners many pleasant journeys.

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