In the world of high-performance automotive engineering, few brands command the same respect as Porsche. Known for blending track-ready performance with everyday usability, Porsche has built a legacy rooted in precision engineering. But as these vehicles evolve into highly sophisticated, software-driven machines, maintaining them requires a new level of expertise, one that goes far beyond traditional mechanics.
At the forefront of this evolution is Seyit Volkan Tarlaci, a Master Mechanic and Automotive Engineer with over two decades of experience. As the founder of 3A Garage, Tarlaci has built a reputation for delivering elite Porsche diagnostics and luxury vehicle repair services across two continents. His philosophy is simple yet powerful: precision in engineering demands precision in service.
A Career Built on Engineering Excellence
Tarlaci’s journey into the automotive world began in Istanbul, where he developed a deep passion for cars at a young age. He later formalized this passion by earning an Associate Degree in Automotive Engineering from Beykent University. This academic foundation laid the groundwork for what would become a globally recognized career in high-performance vehicle diagnostics.

In 2008, Tarlaci established the first 3A Garage in Istanbul, quickly transforming it into one of the most respected independent Porsche service centers in the region. His approach was not just about fixing cars, it was about understanding them at a systems level. By training a team of specialized technicians in advanced diagnostics and mechatronics, he created a culture centered on technical mastery and precision.
From Istanbul to California: Expanding a Luxury Automotive Vision
After more than a decade of success in Turkey, Tarlaci expanded his operations to Costa Mesa in 2023. This move placed him in one of the most competitive luxury automotive markets in the world, Southern California, where high-end vehicles are not just transportation, but a lifestyle.
At his Costa Mesa facility, Tarlaci continues to specialize in Porsche while also servicing elite brands such as Bentley, Rolls-Royce, Lamborghini, Ferrari, Aston Martin, and McLaren. His workshop is designed to meet the expectations of discerning clients who demand not only performance but perfection.
Why Porsche Engineering Requires Specialized Expertise
Porsche vehicles stand apart due to their seamless integration of mechanical systems and advanced electronics. Unlike many luxury brands that prioritize aesthetics or raw power, Porsche has perfected what many call the “daily-driver supercar.” This philosophy combines reliability with high performance, but it also introduces complexity.
Modern Porsche models rely heavily on Electronic Control Units (ECUs) and advanced systems like the PDK (Porsche Doppelkupplung) transmission. These components process massive amounts of data in real time, enabling lightning-fast gear changes and precise performance adjustments.
According to Tarlaci, diagnosing issues in these systems is rarely straightforward. Problems often stem from subtle interactions between software and hardware, requiring deep analytical skills rather than simple part replacement.
Advanced Diagnostics: The Key to Modern Porsche Repair
One of the defining aspects of Tarlaci’s approach is his emphasis on diagnostics over substitution. In today’s automotive landscape, many repair shops rely on replacing components until a problem disappears. Tarlaci strongly rejects this method.
Instead, he focuses on identifying root causes through advanced diagnostic techniques. This involves analyzing system behavior, interpreting data from onboard computers, and understanding the intricate relationships between mechanical and electronic components.
This precision-driven methodology has earned him a reputation as a “specialist’s specialist.” In fact, many repair shops refer their most challenging cases, vehicles with persistent, unexplained issues, to 3A Garage. Whether it is a complex transmission fault or an elusive electrical problem, Tarlaci’s engineering mindset allows him to solve issues others cannot.
Building Expertise Through Training and Mentorship
Beyond his technical skills, Tarlaci is also known for his commitment to education. Throughout his career, he has trained numerous technicians in Porsche diagnostics, helping to elevate industry standards.

His philosophy is rooted in understanding, not just performing repairs. By teaching technicians the “why” behind each process, he ensures they can tackle complex challenges with confidence. This focus on mentorship has made him a respected figure in the global automotive community.
The Loyalty of Porsche Owners and the Importance of Quality Service
Porsche owners are among the most loyal customers in the automotive world. Their connection to the brand goes beyond aesthetics, it is about the driving experience, engineering excellence, and performance reliability.
However, maintaining that experience requires proper care. Poor servicing can diminish performance and lead to costly issues. That is why Porsche owners often seek out specialists who truly understand their vehicles.
Tarlaci emphasizes that once clients find a technician capable of handling their car’s complexity, they rarely look elsewhere. This trust is built on consistent results, transparency, and technical expertise.
Preparing for the Future: Porsche and Electrification
As the automotive industry shifts toward electrification, Porsche is leading the charge with models like the Taycan and the upcoming electric Macan. These vehicles represent a new era of performance, but they also introduce new challenges for technicians.
Electric vehicles require expertise in high-voltage systems, battery management, and software diagnostics. Tarlaci is already adapting to this shift, investing in tools and training to stay ahead of the curve.
He believes the future mechanic must evolve into a hybrid professional, part engineer and part software specialist. This transformation is essential for maintaining the next generation of high-performance vehicles.
Precision as a Philosophy, Not Just a Skill
For Tarlaci, precision is not just a technical requirement, it is a philosophy that defines his entire approach to automotive service. In high-performance vehicles, even a minor diagnostic error can lead to significant system failures.

This mindset is what sets 3A Garage apart. By combining engineering expertise with meticulous attention to detail, Tarlaci ensures that every vehicle receives the highest standard of care.
Ultimately, his work reflects a deeper truth about modern automotive engineering. As cars become more advanced, the human expertise behind their maintenance becomes even more critical.
Conclusion: Elevating the Porsche Ownership Experience
The modern Porsche experience is no longer just about speed or design, it is about precision, technology, and trust. Through his work at 3A Garage, Seyit Volkan Tarlaci is redefining what it means to service high-performance vehicles.
By prioritizing diagnostics, investing in education, and embracing innovation, he ensures that Porsche owners continue to enjoy the performance and reliability their vehicles were designed to deliver.
In an increasingly digital automotive world, one thing remains clear. True expertise still drives excellence.




