Grayless Automotive & Performance

Official Logo for Grayless Automotive & Performance featuring a stylized gauge and piston 'G' design, representing ASE Master Certified auto repair and GM specialization in Clinton County.
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About Us

Clinton County’s Trusted Choice for Auto Repair & Performance

Grayless Automotive | GM Specialists & Repair | Clinton County

Experience dealer-level quality backed by 20+ years of ASE Master Certified expertise right here in Clinton County.

ASE Master Certified

With over 20 years of experience, our ASE Master Certified technicians provide dealer-level diagnostics and repair you can rely on

Affordable Prices

We offer a cost-effective alternative to the dealership with a strict policy: if we can't fix the problem, we won't take your money.

An industrial-style graphic for Grayless Automotive, featuring a mechanical handshake made of gears and steel with a central dollar sign, symbolizing affordable and honest pricing.

Quality Service

We don't believe in guesswork. Our expert team uses advanced diagnostics to identify the root cause and fix it properly, backing every job with integrity.

A silver Chevrolet Corvette raised on a professional lift for performance tuning at Grayless Automotive in Clinton County, featuring a clean workshop with a prominent American flag.
Macro close-up detail of a high-performance GM engine engine bay at Grayless Automotive, highlighting precision mechanical components, metallic textures, and clean assembly.
Interior of Grayless Automotive & Performance showing a silver Chevrolet Corvette on a professional Rotary lift. The clean workshop features a large American flag and organized tool stations.
About Us

Family Owned,Performance Driven

Founded by Braden and Tabby Grayless, we bring over 20 years of ASE Master Certified expertise home to Clinton County. We are dedicated to providing honest, dealer-level quality for your daily driver and specialized performance tuning for your GM toys—all backed by our promise of integrity.

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Happy Customers
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Years Of Experiences

Our Vision

To be the region's premier automotive destination where safety meets speed. We envision a shop where customers never have to choose between a friendly local mechanic and a high-tech performance specialist—at Grayless Automotive, they get the best of both.

Our Mission

To provide Clinton County with a higher standard of automotive care by combining dealer-level expertise with the honesty of a family-owned business. Whether maintaining a daily commuter or engineering a high-performance build, our mission is to deliver precision, transparency, and results on every lift.

MASTER-LEVEL EXPERTISE

Backed by ASE Certification and over 20 years of hands-on experience. We don’t guess—we diagnose, repair, and tune with proven precision.

Brayden Grayless, owner of Grayless Automotive, wearing branded coveralls and hat, is actively working on the engine of a dark grey Chevy Tahoe with a wrench. He is under the open hood in the shop, with Haltech and Valvoline banners visible in the background.

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ASE MASTER CERTIFIED

EXPERT AUTO REPAIR & PERFORMANCE UNDER ONE ROOF

Stop overpaying at the dealership. We combine over 20 years of experience with advanced diagnostics to get your vehicle running at its peak. Whether you need routine maintenance or specialized tuning for late-model GM vehicles, we do it right the first time.

ASE Master Certified Technician

Advanced Engine Diagnostics

Late-Model GM Specialists

We Value Integrity Over Income

Quality Service
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Customer Satisfaction
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