The Best GMC Repair in Nampa, ID

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

#1

Peterson Auto Care & Diesel

4.8
(240 reviews)
Verified

A highly respected, family-owned shop known for its deep technical expertise, particularly with diesel engines and complex drivetrain systems. They have built a strong reputation for being a trustworthy alternative to dealerships, offering dealership-level diagnostics and repair for a wide range of GMC trucks, from heavy-duty Duramax models to Denali SUVs. Their investment in advanced scan tools and technician training makes them a top choice for difficult diagnostics.

1213 1st St S, Nampa, ID 83651

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Certified Transmission & Auto Repair (Nampa Location)

4.6
(180 reviews)
Verified

As part of a reputable regional chain, this location brings specialized, factory-level knowledge of transmissions to Nampa. They are the premier experts for Allison transmission rebuilds and repairs, as well as the newer 10-speed models. While their name highlights transmissions, their service breadth fully encompasses the diesel engines and 4WD systems that are integral to the trucks they work on. They offer robust warranties on their work.

1620 Caldwell Blvd, Nampa, ID 83651

Specialties & Features

Allison transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Nampa Auto & Truck Center

4.4
(90 reviews)
Verified

A well-established, full-service shop with a strong focus on both domestic cars and trucks. They are known for providing reliable, comprehensive service for the entire GMC lineup. Their technicians are proficient in handling everything from routine EcoTec engine maintenance and towing package checks to more complex suspension work on HD models. They are praised for their honest diagnostics and customer service.

1615 1st St S, Nampa, ID 83651

Specialties & Features

Towing package maintenance
EcoTec engine diagnostics
General GMC service
repair

Business Information

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

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

** The GMC repair market in Nampa, Idaho, is robust and highly competitive, reflecting the region's reliance on trucks for both personal and commercial use. The average quality of service is generally high, with several shops possessing the specific expertise required for complex Duramax and Allison systems. **Competition Level:** High. The market is served by the local GMC dealership (Cenarrusa Ford GMC), major national chains (e.g., Firestone, Tires Plus), and a number of strong independent specialists. The independents listed compete effectively by offering specialized technical knowledge, personalized service, and typically lower labor rates than the dealership. **Typical Pricing:** Labor rates are competitive. Independent specialists generally range from **$120 - $150 per hour**, while the dealership often exceeds **$160+ per hour**. This pricing structure makes the independent specialists particularly attractive for major repairs like transmission overhauls or diesel engine work, where labor hours accumulate quickly. Parts pricing is relatively consistent across providers, though independents may have more flexibility to use quality aftermarket options.

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 Nampa regulations and climate