Miramar Automotive & Transmission
“They also tell you what parts are still good on your vehicle and do not need repairs or maintenance.”
Best Truck Repair near San Marcos, CA
We have 12 mechanics in San Marcos on file. Only the highest-rated make our list: 3 of them made it, along with 7 from San Diego (21 mi).
2 open weekends · all 10 rated 4.5+
Data verified October 16, 2026
Japanese Car Masters
“Felt like a valued customer while getting assistance at the front desk and they really went out of their way to help with my vehicle.”
Richards Mobile Tire Service
“Good communicator, on time, so far so good on the tire change and friendly.”
Motec Auto Care
“I was getting ready for a track day so they made the car track ready and I had a great time.”
Greenlight Auto Care
“Definitely will get all of my future business, along with anyone I know looking for a mechanic.”
University City Service Center
“Friendly workers, SUPER quick service (like, these people were BUSY and still taking care of everyone in a snap)”
Listed for drivers in and around San Marcos, CA, these 10 shops work on medium and heavy duty trucks. What each one says about fleet accounts, road service, inspections and hours comes from its own website; ratings and quotes come from public reviews.
Area overview: San Marcos, CA
The 10 mechanics on this page are rated from 4.7 to 4.9 across 2,298 reviews; all 10 have 50 or more reviews. The topics that come up most in reviews of the mechanics on this page are "diagnosis", "price" and "communication". 2 are open on Saturdays and 1 on Sundays. The services the mechanics on this page list most often on their websites are brake services (2), radiator services (2) and suspension (2). 4 list staff certifications (ASE) and 8 have a BBB rating of A or A+. Domain records put 8 websites of the mechanics on this page at ten or more years old; the oldest dates from 2000. 2 offer financing; 2 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for all 10 of the mechanics on this page; 8 publish a contact page; 6 list a public email and 2 take bookings online. We count these figures across the mechanics on this page; distances are straight-line, and hours and prices change, so confirm the details with the mechanic before you visit.
Why does this page include shops beyond San Marcos?
3 of the 10 shops sit inside San Marcos; the rest come from other towns. Truck shops need land, long approaches and highway access, so they end up on the edge of town. Drivers already plan around that.
Performance Auto
“I have been running fleets for construction companies, and the Performance Auto team is honest, forthright, affordable, quick.”
The Truck Shop: Toyota/Lexus/Scion
“I had a small work of leveling and spacers to my RAM and it was perfect.”
Allen's Wrench
“Two weeks ago my alternator went out, they fixed my car overnight and had it ready in the morning and it was spotless”
Caledonian Auto Repair
“Extremely knowledgeable and experienced with Ford diesels, thank you!”
Why these companies made our list
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