Big Thompson Diesel and Automotive is your one stop shop for all of your automotive services and needs.  You can trust us to increase performance, decrease cost, and make sure your vehicle is safe and effective.  We provide excellent and full services in the following :

Light, Medium, and Heavy Duty Diesel Engines

Light/Medium Gas Engines

Fleet Maintenance Program

Custom Installations and repairs

Emissions Repair

CDOT Inspections

and Many More!  We have partnered with many professional specialty shops in the area.  If you need a service we don’t have on site, we will take your vehicle to one of our carefully chosen specialty shops.