The Best GMC Repair in Delphi, IN

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

#1

Wagner's Service Center

4.7
(105 reviews)
Verified

A long-standing, family-owned full-service garage trusted by the Delphi community for decades. While not a dedicated GMC dealer, they have extensive experience with American trucks and SUVs. They are known for honest diagnostics, reliable work on engines (including EcoTec), transmissions, and suspension systems, making them the top local choice for routine and complex mechanical repairs on GMC vehicles.

1017 N Washington St, Delphi, IN 46923

Specialties & Features

EcoTec engine diagnostics
Transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Tom Kelly GMC

4.4
(250 reviews)
Verified

As the official GMC dealership in the neighboring larger city of Lafayette, this is the premier destination for factory-specified service. Their technicians are GM-certified and have direct access to the latest tools, software, and technical service bulletins. This is the unequivocal best choice for warranty work, complex electronics, Denali luxury features, and specialized diagnostics that require proprietary GM software.

3939 State Road 26 E, Lafayette, IN 47905

Specialties & Features

Denali luxury features and electronics
Duramax diesel service
Allison transmission repair

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#3

Hoosier Diesel & Drivetrain

4.8
(180 reviews)
Verified

Located a short drive from Delphi in Logansport, this shop is a regional specialist for heavy-duty and diesel powertrains. They are the go-to experts for demanding repairs and performance modifications on Duramax diesel engines and Allison transmissions that are beyond the scope of a general mechanic. They deeply understand the needs of customers who use their GMC trucks for serious towing and hauling.

2415 E Market St, Logansport, IN 46947

Specialties & Features

Duramax diesel service
Allison transmission repair
Towing package maintenance

Business Information

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

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

** The GMC repair market serving Delphi, Indiana, is characterized by a tiered structure reflective of its rural setting. The in-town market consists of highly reputable, generalist auto shops like Wagner's Service Center, which provide excellent service for the majority of mechanical needs (engines, suspensions, standard transmissions) and are valued for their convenience, personal service, and deep community roots. For more specialized needs—particularly those involving diesel engines (Duramax), complex electronics (Denali), or warranty-related work—residents readily travel to Lafayette, home to the authorized GMC dealership (Tom Kelly GMC). Furthermore, for high-level diesel and drivetrain expertise, especially for modified or heavily-worked trucks, specialized regional shops like Hoosier Diesel & Drivetrain in Logansport fill a critical niche. Pricing is tiered accordingly. Local Delphi shops offer competitive, fair market rates for labor. Dealership pricing in Lafayette is at a premium, reflecting factory-certified technicians and OEM parts. Specialized diesel shops also command higher rates, justified by their expert-level knowledge and equipment. Competition is healthy, driving a strong focus on customer service and reputation across all provider types.

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 Delphi regulations and climate