Latest update · June 13, 2026: Initial ranking published. 9 Charleston-metro diesel repair businesses evaluated, top 9 ranked by Vetted Score.
Diesel repair services are essential for maintaining the performance and longevity of diesel vehicles, which are crucial for both personal and commercial use. In Charleston, SC, finding a trustworthy diesel repair shop can ensure your vehicle runs smoothly and efficiently, minimizing downtime and repair costs.
To compile this list, we evaluated nine diesel repair shops in the Charleston metro area, considering customer reviews, service quality, and overall satisfaction. Our ranking reflects the businesses' Vetted Scores, which are based on real customer feedback and service performance.
9diesel repair shops evaluated in Charleston
4.68average rating across the field
454customer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
Bulls Bay Diesel Heavy Duty Repair & Performance also boasts a 5-star rating from 30 reviews, highlighting their expertise in heavy-duty repairs and performance enhancements.
We assessed each diesel repair shop based on their ratings and the volume of customer reviews. Our analysis focuses on transparency and accuracy, ensuring that no business pays for placement in our rankings. This approach allows us to provide a trustworthy guide for Charleston residents seeking diesel repair services.
Our rankings are updated monthly, reflecting the latest review data and customer experiences. We aim to give you the most current insights into local service providers, helping you make informed decisions.
The Vetted Score: six weighted factors
Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%
Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.
Full reviews
The rankings · in order
1
★ Editor's Choice
Poppa Diesel Automotive & Detail Ltd Co.
★★★★★5.0(40 reviews)
96Score
With a perfect rating of 5 from 40 reviews, Poppa Diesel Automotive & Detail Ltd Co. stands out for its exceptional service and customer care. Reviewers frequently praise their knowledgeable staff and quick turnaround times, making them a top choice for diesel repairs. However, their limited service area might not be convenient for everyone.
Bulls Bay Diesel Heavy Duty Repair & Performance also boasts a 5-star rating from 30 reviews, highlighting their expertise in heavy-duty repairs and performance enhancements. Customers appreciate their thorough diagnostics and reliable repairs. The only downside is their smaller facility, which may limit the number of vehicles they can service at once.
G & S Truck Repair Inc has earned a stellar rating of 4.9 from 36 reviews, with many customers praising their prompt service and quality repairs. They excel in both routine maintenance and emergency repairs, making them a reliable choice for diesel vehicle owners. However, some customers have reported occasional delays during peak times.
Pros
Prompt service
Quality repairs
Experienced technicians
Cons
Occasional delays during busy periods
Limited hours on weekends
Best forRoutine maintenance and emergency repairs
Service areaCharleston and surrounding areas
Typical pricing$100 to $300
4
DW Diesel Repair LLC
★★★★★4.8(46 reviews)
93Score
DW Diesel Repair LLC has garnered a 4.8 rating from 46 reviews, with customers often highlighting their thorough inspections and effective repairs. They are particularly known for their ability to handle complex issues with diesel engines. However, some reviews mention variable communication, which could be improved. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is complex diesel engine repairs. It serves Charleston and nearby areas, with $300 to $800 pricing, and the honest trade-offs are variable communication and limited service hours.
Palmetto Diesel Pros holds a solid rating of 4.6 from 107 reviews, making them a popular choice for diesel maintenance and repairs. Customers appreciate their competitive pricing and friendly service. However, their larger workload sometimes results in longer wait times for appointments. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is affordable diesel maintenance. It serves Charleston and surrounding areas, with $100 to $300 pricing, and the honest trade-offs are longer wait times for appointments and occasional scheduling issues.
Performance Diesel shares a rating of 4.6 from 94 reviews, with customers praising their performance enhancements and reliable repairs. They are well-regarded for their expertise in diesel tuning and upgrades. However, some customers have expressed concerns about pricing, which can be on the higher side. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is performance enhancements and tuning. It serves Charleston and surrounding areas, with $300 to $800 pricing, and the honest trade-offs are higher pricing compared to competitors and limited service options.
Southeastern Fleet Services & Mobile Truck Repair has a 5-star rating from 15 reviews, showcasing their efficiency in on-site repairs. Customers appreciate the convenience of their mobile services, especially for emergencies. However, the limited number of reviews makes their reliability somewhat unproven. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is on-site emergency repairs. It serves Charleston and surrounding areas, with $150 to $500 pricing, and the honest trade-offs are limited review base and potentially higher costs for mobile services.
K&D Diesel Mobile Repair has earned a rating of 4.2 from 10 reviews, noted for their quick response times and mobile capabilities. Reviewers appreciate their ability to address issues on-site, providing convenience for busy customers. However, their small review base raises questions about consistency and overall reliability. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is on-site convenience. It serves Charleston and surrounding areas, with $150 to $500 pricing, and the honest trade-offs are small review base and limited service offerings.
General Diesel has a rating of 4 from 76 reviews, with customers noting their reliable service and fair pricing. They are a good option for basic diesel repairs and maintenance. However, some customers have reported inconsistencies in service quality, which may vary by technician. That is a substantial body of feedback for a local operator, enough to trust the rating rather than credit a lucky streak. Most of what reviewers hire it for is basic diesel repairs. It serves Charleston and surrounding areas, with $100 to $300 pricing, and the honest trade-offs are inconsistent service quality and mixed reviews on customer service.
Selecting the right diesel repair shop involves considering several key factors to ensure quality service and customer satisfaction.
Check Reviews
Look for shops with a high volume of positive reviews to gauge reliability and service quality.
Evaluate Services Offered
Choose a shop that provides the specific services you need, from routine maintenance to complex repairs.
Consider Location and Availability
Select a shop that is conveniently located and offers flexible hours to accommodate your schedule.
Inquire About Pricing
Get estimates from multiple shops to ensure competitive pricing and avoid unexpected costs.
What it costs
What diesel repair costs in Charleston
Diesel repair costs can vary significantly based on the nature of the service and the shop's location. Here's a general overview of what to expect in Charleston.
Basic Maintenance$100 to $300 for oil changes and filter replacements.
Minor Repairs$300 to $800 for services like brake replacements or electrical diagnostics.
Major Repairs$800 to $2,500 for engine overhauls or transmission repairs.
Mobile Services$150 to $500 for on-site repairs, depending on the service required.
Frequently asked questions
How much does diesel repair cost in Charleston?
Diesel repair costs typically range from $100 to $2,500, depending on the service type and complexity.
What should I look for in a diesel repair shop?
Look for positive reviews, a range of services, convenient location, and transparent pricing.
How often is this ranking updated?
We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.
Our verdict
For most Charleston diesel vehicle owners: Poppa Diesel Automotive & Detail Ltd Co.
The top three winners are Poppa Diesel Automotive & Detail Ltd Co., Bulls Bay Diesel Heavy Duty Repair & Performance, and G & S Truck Repair Inc. Each excels in service quality, customer satisfaction, and reliability, making them the best choices for diesel repairs in Charleston.