Top Quality Diesel, Truck, and Car Repair in Knoxville, TN

Your Trusted Knoxville Auto Repair Shop

We Stand By Our Work

The Best Mechanics in Knoxville, TN

At Knox Speed and Diesel, we recognize that not every customer has the same needs. We want to be honest with you about what your car will require in order for us to get it up and running like new again! Our master technicians have vast troubleshooting experience with both domestic auto repair in Knoxville and European auto repair in Knoxville, TN. You can stop by our store at any time during regular business hours and will be glad to set an appointment time for you to come in and have your vehicle checked out.

Best TECHNICIANS

Quality Services

AFFORDABLE PRICES

Our Services

Top-Quality auto repair in knoxville tn

Electrical Repairs

Engine Diagnostics

Brake Service

Oil and Filters

Tires and Wheels

Performance Upgrades

Your One-Stop Auto Repair Shop

Why choose Us

Top-Quality Auto Repair in Knoxville, TN


Knox Speed and Diesel is a full-service automotive repair shop featuring the latest in repair technology and engine performance enhancements. We are a well-established family-owned facility located in Knoxville, TN. Knox Speed and Diesel specializes in repairing and servicing both European cars and Diesel.

At Knox Speed and Diesel we treat our customers like family, and their cars as if they were our own. We put forth the extra effort to make sure you have a pleasurable repair experience. At Knox Speed and Diesel we won’t sell you parts that aren’t needed. Honesty and integrity are part of every job we do.

Brand We Service

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FERRARI

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DEISELS

CALL US

865-351-3941

Our Clients

Testimonials

Matt was very helpful over the phone answering questions about a 28 old E350 Ford 15-passenger Church van, he took the time to explain what the van needed and if he could get the part Matt went way above what most people would have even considered talking about the vehicle for that long and not for sure if I would ever buy the small fuel injectors kit from him. I would recommend them.
 

Donnie Sellers

First-class experience, the staff, and the owner are all super helpful and knowledgeable. I appreciate how fast they work and how accomodating they are. They worked to diagnose the problems and fix them cost-efficiently. Thanks!
 

Jud Kingman

I have got to say that I am EXTREMELY happy with the level of hospitality, service, and overall GREAT experience from Knoxville Speed and Diesel. I dealt mainly with Ryan and Matt and they were AWESOME. I am SUPER happy with the overall quality and experience and would NEVER hesitate to recommend them to any of my friends! GREAT crew!
 

Rob Ange

Absolutely worth every penny. Amazing service, certified techs that actually know what they're doing and impressive work. "Knox Speed and Diesel" means they SPECIALIZE in speed and diesel. Would recommend anyone with any performance questions or looking for upgrades to give these guys a shout!
 

Trevor Lantz

Wonderful staff and service!! We had a unique “noise” we needed help with, and couldn’t find the cause, and couldn’t easily recreate it... but Knox Speed and Diesel not only found it but fixed it! Highly recommend this business!
 

Katie Hannah

The Knox Speed and Diesel team replaced our brakes within 24 hours for a reasonable price. We were impressed with the professionalism and speed of the team. Thank you for helping us with a quick fix when we were in a pinch! Highly recommend!
 

Abby Aftowicz

Premium Car Service Matched With
Great Workmanship