Best Car Tune-Up in New Braunfels, TX
15 technicians listed · 14 in New Braunfels · 2 open weekends · 11 rated 4.5+
Data verified October 16, 2026
One Man Garage Llc. (Byrd Automotive)
Top Notch Truck & Trailer
HDS Automotive
H-Car Engine Dyno Tuning
Exodus 4x4
Listed for drivers in and around New Braunfels, TX, these 15 shops handle tune-up work and running faults. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.

Area overview: New Braunfels, TX
Of the 15 technicians we list here, 14 are in New Braunfels itself and 1 comes from Seguin (13 mi). The technicians on this page are rated from 4.2 to 5.0 across 1,977 reviews; 9 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the technicians on this page are "price", "diagnosis" and "fair". 2 are open on Saturdays and 1 on Sundays. 1 lists staff certifications (ASE) and 2 have a BBB rating of A or A+. Domain records put 3 websites of the technicians on this page at ten or more years old; the oldest dates from 2007. 1 offers financing; 3 give free estimates; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 9 of the technicians on this page; 6 publish a contact page; 4 list a public email and 1 takes bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Which shops listed for New Braunfels open on Saturdays or Sundays?
2 of the 15 shops here show Saturday or Sunday hours. Plugs and filters fit neatly into a Saturday. A chase for an intermittent misfire does not, since it can need the car overnight to catch the fault happening from cold.