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Big Dog Diesel and Auto

About Us

Big Dog Diesel and Auto in Oxford, WI, stands as the premier auto repair company for Oxford, Portage, Wisconsin Dells, Madison, and neighboring areas since 2015. We provide comprehensive services for autos, trucks, and diesel engines, covering all your repair, and maintenance needs. Trust Big Dog Diesel and Auto in Oxford for exceptional care and service for your vehicle.

Areas Served

Our Professional Associations

NFIB (National Federation of Independent Business)

What We Offer

Our Specialties include:

Full Service Diesel, Truck & Auto Repair

Our Services include:

Full Service Auto, Truck and Diesel Repair
Engine Rebuilds
Transmissions
Oil Changes
Clutches
Exhaust
Tire Repair
Tractor and Farm Equipment Repair
Heavy Duty Truck and Trailer

Testimonials

On 5/29/2026 LaRaye had this to say:
We had a check engine light pop up, being 2 hours from home. They were extremely helpful, got us in immedietly to check the engine out and try to find the source. Very knowledgeable, very honest, helped us in a bind as we were stressed it could be something major so far from home. I would highly recommend. Top tier professionalism and knew what he was doing! Thank you so much!!

On 5/8/2026 Michael Wood had this to say:
Jeremy does good work and is very knowledgeable. Prices are fair. I take all of my vehicles to him.

On 9/25/2025 mike wood had this to say:
Fair pricing and good work. Worth every penny. It's hard to find a good honest mechanic nowadays but Jeremy at Big Dog will always be upfront with you and not try to sell you unnecessary repairs. 10 out of 10 would recommend.

On 6/6/2025 Amy K had this to say:
Always a great experience here. We had found this place a couple years ago and are glad we did! Jeremy and Kathy are very friendly and knowledgeable. They always do their best to get us in fast and get the work done quickly and efficiently. The prices are reasonable also.

On 10/31/2024 Kevin V. had this to say:
Awesome work and very affordable. Fixed something not even a dealership could figure out. Jeremy is extremely knowledgeable as a mechanic. I'll be taking all my vehicles to him from now on!

Contact Us

Big Dog Diesel and Auto
842 E. Ormsby St. Oxford, WI 53952
Phone: (608) 586-4311
Email: a1biddogdiesel@yahoo.com

4 Miles West of I-39

Where To Find Us

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: 8:00 AM - 12:00 PM

FAQ

Which areas do you serve?

We serve Oxford, Portage, Wisconsin Dells, Madison, and neighboring areas.

What types of vehicles do you service?

We provide services for autos, trucks, and diesel engines.

What services does Big Dog Automotive offer?

We handle all auto repair, sales, and maintenance needs.

Why should I choose Big Dog Automotive?

We offer exceptional care and service for your vehicle, ensuring top quality and customer satisfaction.

Can you repair tractor and farm equipment?

Yes, we offer tractor and farm equipment repair services.