Top 3 GMC Repair Shops in Cathlamet

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

#1

G & N Auto & Diesel Service

4.8
(180 reviews)
Verified

A family-owned and operated business with an exceptional reputation for both general auto and specialized diesel repair. They are frequently recommended for their honest diagnostics, expertise with complex engine and transmission systems, and high-quality workmanship on both light and heavy-duty vehicles.

2626 Florida St, Longview, WA 98632

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Longview Transmission & Auto Repair

4.7
(250 reviews)
Verified

While "Transmission" is in their name, this highly-rated shop provides comprehensive automotive care with a noted specialty in transmission rebuilds and diagnostics. They have extensive experience with GM's Allison transmissions and are well-equipped to handle the 10-speed automatics found in newer GMCs, as well as related drivetrain and towing systems.

916 14th Ave, Longview, WA 98632

Specialties & Features

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

Business Information

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

Les Schwab Tire Center of Longview

4.6
(300 reviews)
Verified

A trusted regional chain known for its excellent customer service and strong warranty. While they are famous for tires, their service bays offer extensive mechanical repairs. They are a top choice for suspension work, 4WD system service, brake repairs, and towing package maintenance on GMC trucks and SUVs.

910 Commerce Ave, Longview, WA 98632

Specialties & Features

Heavy-duty truck suspension
4WD and towing system service
Towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for Cathlamet residents is almost entirely dependent on service providers in Longview, WA. The market in this region is characterized by a few high-quality, long-standing independent shops and one major regional chain that have earned strong community trust. * **Average Quality:** The quality of service available is generally high, with several shops boasting ratings consistently above 4.5 stars. The competition among top-tier independents in Longview drives a focus on customer satisfaction and technical competence. * **Competition Level:** Competition is moderate among the top 3-5 shops in Longview that are capable of handling specialized GMC repairs. There is no GM dealership in immediate proximity (the nearest is likely in Vancouver, WA), which has created a niche for skilled independents to service these vehicles. * **Typical Pricing:** Pricing is competitive for the Pacific Northwest. Labor rates are typically in the $120-$150/hour range. Specialized diesel (Duramax) or transmission (Allison) work commands a premium due to the required expertise and equipment. Customers should expect diagnostic fees ($150-$200) that are often applied toward the final repair cost. **Conclusion:** While Cathlamet itself lacks a dedicated GMC specialist, its residents have access to excellent service options within a reasonable driving distance. For complex diesel and transmission work, **G & N Auto & Diesel Service** and **Longview Transmission & Auto Repair** are the top choices. For suspension, 4WD, and general maintenance, **Les Schwab** provides reliable, warrantied service backed by a strong regional reputation.

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 Cathlamet regulations and climate