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Alonso's Auto Repair is OPEN and here to help! We are taking precautionary measures in our facility to ensure the safety of our customers and staff. We hope you and your families are safe and healthy and want you to know we are in this together.
CLICK HERE for some of the changes we have made to ensure you and your vehicle’s safety during this time.

Your Quality Mechanic in Upland for Over 24 Years

We’ve been committed to providing expert auto repair and to serving the Upland area with honesty, quality, and value since 1998!

Your dealership service alternative!

ASE certified logo

About Us


corvette being serviced in lift in alonso's auto repair
viper serviced by alonso's auto repair in front of garage
dodge charger serviced by alonso's auto repair parked by garage
viper mercedes odyssey volvo parked by alonsos auto repair
interior waiting room and lobby of alonso's auto repair
toyota camry and ford focus being serviced in the garage

We are expert auto service repair professionals you can trust! We are family owned and operated. With over 26 years of experience servicing Upland, Claremont, Montclair, Rancho Cucamonga, Ontario and neighboring communities, we will fix your vehicle right the first time at a very reasonable price. 

We take pride in our work and many of our customers are referred to us by our other satisfied customers. We have been in business in the same location for over 26 years. ​

State of California logo for smog checks


We are licensed by the State of California to provide smog inspection services and repair on most OBD-II vehicles 2000 and up, Smog Check OIS Only. The DMV may require that you visit a STAR Station. Unfortunately, at the moment we are unable to perform STAR tests.

Do I Need An Inspection?

What We Offer


Our quality ASE (Automotive Service Excellence) certified mechanics at Alonso’s Auto Repair use today’s latest automotive technology and are equipped to work on most major and minor auto repair services on foreign and domestic vehicles. Listed below are just some of the auto repair services that we offer:

honda s2000 being serviced in alonsos auto repair


Alonso's Auto Repair is your best bet for a quality inspection. Worried about a squeak or shimmy? Let us check it out!

performing diagnostics for vehicle problem in alonso auto repair


We always use the most advanced diagnostic equipment to diagnose your vehicle problems and check engine lights. We now perform module programming on site for most vehicles!


We take all auto repairs seriously. That’s why all our auto mechanics are ASE Certified and work with our service advisors to give you as many options as possible. 

performing tire installation

Tire Installation

Contact us today for the best new tire service in the Inland Empire!

Yea, we can do that!

  • Axle / CV Joint Repair (FWD)
  • Brakes: Standard or ABS
  • Clutch Repair
  • Electric: Batteries – Sell and Install
  • Electric: Electrical and Electronic Systems
  • Electric: Starting and Charging
  • Engine: Diagnostics and Performance
  • Engine: Service/Repair – Major
  • Engine: Service/Repair – Minor
  • Exhaust Systems
  • Heating and Air Conditioning
  • Preventive Maintenance
  • Preventive Maintenance: Severe Schedule
  • Quick Lube and Oil Change
  • Steering and Suspension
  • Transmission: Automatic Service/Repair – Minor
  • Tire Repair and Installation
  • Transmission: Automatic Service/Repair – Major
  • Transmission: Manual Service/Repair
  • Radiator Replacement
  • Axle / Driveshaft Repair (RWD, 4WD)
  • Differential Repair
  • Diesel Engine Systems
  • Four Wheel Drive Systems
nationwide warranty logo

A Small Sample


Here at Alonso's Auto Repair we service most major brands of cars and trucks

ford logo
nissan logo
honda logo
dodge logo
toyota logo
chevrolet logo


Includes FREE Rental Car. Call us for more info.
Click here to Schedule Service >

Some Valuable


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Tire Rotation

Regular rotation helps extend the life of your tires and improve performance. 

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Change your oil at regularly schedule service intervals for a healthy engine using made in USA, Teton Oil

car brakes icon


Screeching or grinding sounds from your brakes can mean trouble. Make an appointment with us to get a brake inspection

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A loud muffler may not just be annoying, it can be dangerous because harmful exhaust fumes may be leaking into the passenger compartment

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Tire Pressure

Proper air maintenance will give better gas mileage, avoid irregular wear and extend the life of your tires by thousands of miles.

engine care and maintenance icon


Maintaining proper oil and coolant levels can help ensure a long life for your engine

See What Our Customers Say


Yup, Your New Expert Mechanic is on Social Media! 

See more reviews and comments and connect with us for exclusive coupons, deals and promos!


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General Information

Alonso's Auto Repair
1820 West 11th Street
Unit E-F
Upland CA, 91786
(909) 946-0543

Shop Hours
Mon-Fri: 8:00am-5:00pm
Weekend: Closed

State of California logo for smog checksThe logo for IATN as a member since 2010The logo for ASE as a certified technician Logo for AAA as an approved auto repair service

Make an Appointment

Or perhaps you would just like to schedule an appointment. If so click the button below. (Note: the appointment is not confirmed until you receive an email response from us.)

Schedule an Appointment

Financing Available Through

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