Top 3 GMC Repair Shops in Ketchikan

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

#1

Tongass Auto Repair

4.7
(180 reviews)
Verified

A highly respected, long-standing full-service shop known for its technical depth and ability to handle everything from routine maintenance on a GMC Terrain to complex diagnostics and repair on heavy-duty Duramax-powered Sierra HD trucks. They are a local favorite for their honesty and workmanship.

1237 Stedman St, Ketchikan, AK 99901

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing system service

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Coastal Marine & Auto

4.5
(90 reviews)
Verified

While the name suggests a marine focus, this well-established business is a cornerstone for truck and SUV repair in Ketchikan. Their expertise in diesel systems from both marine and automotive applications makes them a prime choice for Duramax service. They understand the demands placed on vehicles used for fishing, logging, and heavy towing.

1628 Tongass Ave, Ketchikan, AK 99901

Specialties & Features

Diesel engine service
heavy-duty truck suspension
EcoTec engine diagnostics

Business Information

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

S&S Service Inc.

4.6
(120 reviews)
Verified

A versatile and modern shop that has built a strong reputation for tackling complex electrical and computer-based issues in modern vehicles. They are a go-to for GMC Denali owners experiencing problems with luxury features, advanced driver-assistance systems (ADAS), and electronic control modules, in addition to performing high-quality general mechanical repair.

2217 Tongass Ave, Ketchikan, AK 99901

Specialties & Features

Denali luxury features and electronics
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 Ketchikan

The GMC repair market in Ketchikan is characterized by a small number of highly capable, generalist shops rather than brand-specific dealerships (the nearest GMC dealer is far away, requiring a barge). This creates a market where quality is generally high, as the shops must be proficient in a wide range of services to survive. Competition is moderate but specialized; shops often develop reputations for specific strengths (e.g., Tongass Auto for transmissions, Coastal for diesels). Due to the remote location, part availability can sometimes lead to longer repair times. Pricing is above the national average, reflecting the high cost of living and operating in Alaska, but is considered fair given the expertise required and the lack of alternatives. Customers prioritize proven reliability and technical competency over price sensitivity.

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 Ketchikan regulations and climate