The Best GMC Repair in Upland, CA

Compare the highest-rated gmc repair mechanics in Upland, California. All shops are licensed, insured, and verified through our rigorous screening process.

#1

G & M Auto Service Center

4.8
(280 reviews)
Verified

A highly reputable, family-owned auto repair center known for its honest diagnostics and expert work on domestic trucks. They have built a strong reputation for tackling complex issues on GMC Sierra and Canyon models, from routine maintenance to major engine and transmission work. Their technicians are praised for clear communication and professionalism.

240 N Central Ave, Upland, CA 91786

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

A-1 Car Care

4.7
(190 reviews)
Verified

A long-standing, trusted name in the Upland community, A-1 Car Care receives consistent praise for its work on SUVs and trucks. They have specific expertise in GMC Yukon and Denali models, with reviews frequently mentioning successful repairs of electronic features, drivetrain issues, and providing excellent pre-purchase inspections for used vehicles.

174 W 9th St, Upland, CA 91786

Specialties & Features

Denali luxury features and electronics
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Upland Tire & Auto Service

4.6
(160 reviews)
Verified

While offering a full range of automotive services, this well-established shop has developed a strong niche in truck maintenance and repair. They are a go-to for local businesses and individuals requiring reliable service for their work trucks, including suspension work, brake service, and transmission maintenance on GMC 1500 and 2500 series trucks.

245 N Mountain Ave, Upland, CA 91786

Specialties & Features

Towing package maintenance
Heavy-duty truck suspension
Allison transmission repair

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Upland

** The GMC repair market in Upland, California, is robust and competitive, characterized by a mix of long-standing independent shops and a major dealership presence. The average quality of independent specialists is high, as evidenced by consistently strong reviews. These shops compete not only on price but on specialized expertise, personalized service, and the ability to service the complex systems found in modern GMCs, particularly Duramax/Allison powertrains and Denali electronics. Pricing is tiered, with dealership labor rates being the highest, while the top independents offer competitive rates that are typically 15-30% lower for similar quality work. The market shows a clear demand for technicians who are proficient with advanced diagnostics, which the leading independents have invested in to stay competitive. For a GMC owner in Upland, there are several excellent, reputable options beyond the dealership, allowing for a choice based on specific repair needs and service preferences.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All shops are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Upland regulations and climate

Frequently Asked Questions

Common questions about gmc repair services in Upland, CA

What are the most common GMC repair issues for drivers in Upland, CA?

In Upland, common issues include air conditioning system strain from the hot inland climate, suspension wear from local freeway commutes on the 10 and 210, and electrical problems in models with advanced infotainment systems. Proactive cooling system maintenance is especially important here due to summer heat waves.

How can I find a reputable, specialized GMC repair shop in Upland?

Look for shops with certified GMC/GM technicians (ASE or GM World-Class) and those that use genuine or OEM parts. Check reviews specifically mentioning GMC models like the Sierra, Terrain, or Acadia. Several well-regarded independent shops on Central Avenue and Foothill Boulevard specialize in American trucks and SUVs.

When should I seek service for my GMC versus going to the dealership in the Inland Empire?

Seek a specialized independent shop for out-of-warranty repairs, second opinions, and routine maintenance for better value. The dealership in nearby Ontario or Rancho Cucamonga is best for complex warranty work, recalls, and proprietary software updates that require dealer-level diagnostic tools.

Are repair costs for GMC trucks higher in Upland compared to other areas?

Labor rates in Upland are generally competitive within the Inland Empire but can be lower than in Los Angeles County. Parts costs are consistent, but overall pricing for major repairs on GMC Sierras or Yukons is influenced by the high demand for these capable vehicles in our region for both work and recreation.

What local driving conditions in Upland should I consider for my GMC's maintenance schedule?

Consider more frequent air filter changes due to seasonal Santa Ana winds carrying dust, increased brake service from stop-and-go traffic on Foothill Blvd, and tire rotations/alignments to combat wear from the mix of city streets and mountain roads to the north like Mount Baldy.