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Diesel Repair · Spartanburg, SC/Updated June 13, 2026

The 8 Best Diesel Repair Shops in Spartanburg, SC

Finding the right diesel repair shop is crucial for the longevity of your vehicle. We've ranked Spartanburg’s best based on real customer experiences.

Editorially independent8 companies evaluated
cover story
★ Editor's ChoiceDiesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair
96Score
Latest update · June 13, 2026: Initial ranking published. 8 Spartanburg-metro diesel repair businesses evaluated, top 8 ranked by Vetted Score.

In Spartanburg, reliable diesel repair services are essential for keeping heavy-duty vehicles on the road. With a thriving local economy and numerous trucks and RVs in operation, you need a shop that understands the unique demands of diesel engines.

We evaluated eight local diesel repair shops based on customer reviews and ratings, focusing on their reliability, service quality, and overall reputation. The shops listed here are ranked by their Vetted Scores, reflecting the real experiences of their customers.

8diesel repair shops evaluated in Spartanburg
4.86average rating across the field
519customer reviews analyzed

Cityvetted analysis of public Google review data, updated June 13, 2026.

How much does diesel repair cost in Spartanburg? See the price breakdown →

Our top picks

At a glance · three categories
★ Editor's Choice
96Score

With a perfect rating of 5 stars from 279 reviews, Diesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair is a clear leader in Spartanburg.

Read full review
Best Value
94Score

Diesel Truck solutions 24hours road service

★★★★★5.0(108 reviews)

Diesel Truck Solutions 24hours Road Service holds a solid 5-star rating from 108 reviews.

Read full review
Most Reviewed
92Score

John’s Diesel and Auto Performance and Repair has earned a 4.9-star rating from 50 reviews.

Read full review

All 8, compared

Data as of June 13, 2026
BusinessVetted ScoreGoogle ratingReviewsBest for
1
96Score
5.0★★★★★
279Emergency diesel repairs
2
94Score
5.0★★★★★
108Budget-conscious diesel repairs
3
92Score
4.9★★★★★
50Comprehensive diesel and auto repair
4
85Score
5.0★★★★★
20Performance enhancements for diesel engines
5
82Score
4.8★★★★★
32Quick diesel repairs
6
80Score
5.0★★★★★
14Basic diesel repairs
7
78Score
5.0★★★★★
3Emerging diesel repair options
8
78Score
4.2★★★★★
13Friendly service for minor repairs
Methodology

How we evaluated all 8 diesel repair shops.

Our evaluation process involved a thorough analysis of customer feedback from various online sources. We assessed each business's ratings, the volume of reviews, and consistency in service delivery. This ensured that our rankings are not influenced by advertising or sponsorship.

We refresh our rankings monthly to maintain accuracy and relevance, ensuring that you have access to the latest information about Spartanburg's diesel repair options. This commitment to transparency helps 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

Diesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair

★★★★★5.0(279 reviews)
96Score

With a perfect rating of 5 stars from 279 reviews, Diesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair is a clear leader in Spartanburg. Customers praise their prompt service and expertise in various diesel repairs, particularly for reefer units. However, their high volume may lead to longer wait times during peak hours.

Pros

  • Expertise in reefer units
  • 24/7 availability
  • Highly rated customer service

Cons

  • Potentially longer wait times
  • Busy during peak hours
Best forEmergency diesel repairs
Service areaSpartanburg and surrounding areas
Typical pricing$100 to $300 per hour
2
Best Value

Diesel Truck solutions 24hours road service

★★★★★5.0(108 reviews)
94Score

Diesel Truck Solutions 24hours Road Service holds a solid 5-star rating from 108 reviews. Customers appreciate their competitive pricing and flexibility in service, making them a great value option for diesel repairs. While the quality of service is high, the review count indicates they may still be building a reputation.

Pros

  • Competitive pricing
  • Flexible service options
  • Good customer feedback

Cons

  • Less established than top competitors
  • Fewer reviews
Best forBudget-conscious diesel repairs
Service areaSpartanburg and nearby regions
Typical pricing$80 to $250 per hour
3
Most Reviewed

John’s diesel and auto performance and repair

★★★★★4.9(50 reviews)
92Score

John’s Diesel and Auto Performance and Repair has earned a 4.9-star rating from 50 reviews. Customers commend their thorough diagnostics and quality repairs. Best known for comprehensive diesel and auto services, they also have a reputation for personalized customer care. However, their narrower focus might not meet all diesel needs.

Pros

  • Thorough diagnostics
  • Personalized customer care
  • High-quality repairs

Cons

  • Narrower focus on services
  • Moderate review count
Best forComprehensive diesel and auto repair
Service areaSpartanburg and surrounding areas
Typical pricing$90 to $280 per hour
4

Williams Diesel Performance

★★★★★5.0(20 reviews)
85Score

Williams Diesel Performance has a 5-star rating from 20 reviews. Customers appreciate their specialized knowledge in performance enhancements. While they excel in this niche, the limited review base makes them a less proven choice for general diesel repair services. 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 performance enhancements for diesel engines. It serves Spartanburg area, with $150 to $350 per hour pricing, and the honest trade-offs are limited review base and niche service focus.

Pros

  • Specialized in performance enhancements
  • High customer satisfaction

Cons

  • Limited review base
  • Niche service focus
Best forPerformance enhancements for diesel engines
Service areaSpartanburg area
Typical pricing$150 to $350 per hour
5

Absolute Diesel Power Repair

★★★★★4.8(32 reviews)
82Score

Absolute Diesel Power Repair has a strong 4.8-star rating from 32 reviews. Customers highlight their efficient service and knowledgeable staff. However, the review count indicates they are still establishing their reputation, making them a promising but unproven choice for your diesel needs. 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 quick diesel repairs. It serves Spartanburg and surrounding areas, with $90 to $270 per hour pricing, and the honest trade-offs are still building reputation and limited reviews.

Pros

  • Efficient service
  • Knowledgeable staff

Cons

  • Still building reputation
  • Limited reviews
Best forQuick diesel repairs
Service areaSpartanburg and surrounding areas
Typical pricing$90 to $270 per hour
6

Diesel Truck solutions 24hours road service

★★★★★5.0(14 reviews)
80Score

Another listing for Diesel Truck Solutions 24hours Road Service, this one has a perfect 5-star rating but only 14 reviews. Their repeat performance in the rankings shows potential, but the thin review base leaves some uncertainty about consistency in service quality. 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 basic diesel repairs. It serves Spartanburg and nearby areas, with $80 to $250 per hour pricing, and the honest trade-offs are thin review base and unproven consistency.

Pros

  • Perfect rating
  • Responsive service

Cons

  • Thin review base
  • Unproven consistency
Best forBasic diesel repairs
Service areaSpartanburg and nearby areas
Typical pricing$80 to $250 per hour
7

Diesel Truck solutions 24hours road service

★★★★★5.0(3 reviews)
78Score

This listing for Diesel Truck Solutions 24hours Road Service has a perfect rating of 5 stars from just 3 reviews. While this indicates great service, the extremely low review count means they are largely untested in the market. Use caution if considering them for your diesel repair needs. 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 emerging diesel repair options. It serves Spartanburg area, with $80 to $250 per hour pricing, and the honest trade-offs are very few reviews and unproven track record.

Pros

  • Perfect rating
  • Potential for quality service

Cons

  • Very few reviews
  • Unproven track record
Best forEmerging diesel repair options
Service areaSpartanburg area
Typical pricing$80 to $250 per hour
8

Upstate Diesel Repair

★★★★★4.2(13 reviews)
78Score

Upstate Diesel Repair has a 4.2-star rating from 13 reviews. Customers appreciate their friendly service and willingness to tackle tough jobs. However, with a limited review count, they may not be the most reliable option for extensive diesel repairs. 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 friendly service for minor repairs. It serves Spartanburg and surrounding areas, with $70 to $200 per hour pricing, and the honest trade-offs are limited reviews and less proven reliability.

Pros

  • Friendly service
  • Willingness to take on tough jobs

Cons

  • Limited reviews
  • Less proven reliability
Best forFriendly service for minor repairs
Service areaSpartanburg and surrounding areas
Typical pricing$70 to $200 per hour
Before you book

How to choose a diesel repair shop in Spartanburg

Selecting the right diesel repair shop involves asking the right questions to ensure you receive quality service. Here are key considerations to keep in mind.

What is your experience with my vehicle type?

Inquire about the shop's familiarity with your specific make and model. Experience with various diesel engines can greatly impact service quality.

What warranties do you offer?

Understanding the warranty on repairs can protect you from future costs. A reputable shop will provide clear warranty details.

Can you provide references or reviews?

Ask for testimonials or reviews from previous customers. This can give you insight into the shop's reliability and customer service.

What it costs

What diesel repair costs in Spartanburg

Pricing for diesel repair services in Spartanburg can vary widely based on the type of service needed. Here are some typical ranges you might encounter:

Basic Maintenance$100 to $300 for oil changes and filter replacements.
Minor Repairs$200 to $600 for issues like brake replacements or electrical diagnostics.
Major Repairs$500 to $1,500 for engine overhauls or transmission work.
Emergency Services$150 to $500 for roadside assistance or urgent repairs.

Frequently asked questions

How much does diesel repair cost in Spartanburg?

Typical costs for diesel repair services in Spartanburg range from $100 to $300 per hour, depending on the extent of the repairs needed.

What should I look for in a diesel repair shop?

Look for shops with high ratings and a solid number of reviews. In Spartanburg, reliable providers like Diesel Road SERVICE 24/7 and Diesel Truck Solutions are good bets.

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 Spartanburg drivers: <strong>Diesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair</strong>

If you need reliable diesel repair, Diesel Road SERVICE 24/7 TRUCK & TRAILER+RV Reefer Units Repair is the clear choice. With a perfect 5-star rating from 279 reviews, they lead the pack. For those requiring urgent assistance, Diesel Truck solutions 24hours road service is another excellent option, especially if you have a more limited review base but need fast service. Lastly, John’s diesel and auto performance and repair is a solid alternative for performance-focused repairs, ideal if you have specific modifications in mind.