#1
Richins Car Service
“I was very impressed with them. They did everything possible to help me, including shuttling me home while they worked on my car. Thank you.” — Google review
Experts Reviews · 2026 Ratings
The Best Auto Repair Shops in Herriman, UT
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$585typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
98%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.84★average ratingPlain average of every Google star rating we collected for these companies.
2.8%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 379,946 Google reviews of 899 top-rated auto repair shops nationwide; 9 of them in Herriman, UT. Updated November 12, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of auto repair shops).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 |  Salt Lake Valley Mobile Mechanics LLCHerriman, UT | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%97+56.9Reliability 26%98+25.6Value 15%100+15.2Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AA– | 4.98 | — |
| 2 | Richins Car ServiceHerriman, UT | A 93How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%92+50.2Reliability 24%88+21.3Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty98−0.2Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.90 | — |
| 3 |  Grease MonkeyHerriman, UT | A 88How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%90+49.1Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%41+2.9Craft & service penalty97−0.3Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.89 | — |
| 4 |  Hillside Tire & ServiceHerriman, UT | A 82How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%86+46.9Reliability 24%80+19.4Value 14%100+14.1Replies to reviews 7%29+2.1Craft & service penalty91−0.9Experts Score= 82Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.79 | — |
| 5 |  South Valley Auto GlassHerriman, UT | A 81How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%88+48Reliability 24%85+20.6Value 14%100+14.1Replies to reviews 7%22+1.6Momentum penalty72−2.8Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAABD | 4.91 | — |
| 6 |  Big O TiresHerriman, UT | B 76How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%76+41.5Reliability 24%56+13.6Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BC–AAA | 4.77 | — |
| 7 |  Performance PlaceHerriman, UT | B 74How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%79+43.1Reliability 24%69+16.7Value 14%91+12.9Replies to reviews 7%53+3.7Craft & service penalty98−0.2Momentum penalty81−1.9Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAC | 4.82 | — |
| 8 | Grease MonkeyHerriman, UT | B 72How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%74+40.4Reliability 24%73+17.7Value 14%100+14.1Replies to reviews 7%62+4.4Craft & service penalty99−0.1Momentum penalty50−5Experts Score= 72Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAACB | 4.82 | — |
| 9 |  Intermountain Tire ProsHerriman, UT | B 70How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%73+39.8Reliability 24%73+17.7Value 14%82+11.6Replies to reviews 7%27+1.9Momentum penalty85−1.5Experts Score= 70Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BB–AAD | 4.83 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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Auto Repair Shops in Herriman, UT at a glance
How the 9 auto repair shops we rated in Herriman, UT compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A556%
- Grade B444%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up333%
- 4.80–4.89★444%
- 4.60–4.79★222%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality24,35126%
- Professionalism27,69630%
- Responsiveness390%
- Punctuality20,09622%
- Value20,21922%
Was the price fair?
All price verdicts left with reviews.
- Great price21,31745%
- Reasonable23,57350%
- Overpriced1,1192%
- Not sure1,4243%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 10 best-rated auto repair shops in Herriman, UT average 4.8★ on Google across 10,807 reviews. Salt Lake Valley Mobile Mechanics LLC has the top rating (5.0★), and Grease Monkey has the most reviews (3,269). Updated November 2, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (10,807 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Grease Monkey
“I went in on 10/26/26 for an emissions test the service was great , fast , done right and excellent customer service , I’ll definitely recommend this location in Herriman UT , keep up the good work Grease Monkey .” — Google review
#3
Salt Lake Valley Mobile Mechanics LLC
“SLV Mobile Mechanic were very helpful!! Tanner helped us and he was super friendly and made sure our vehicle was taken care of! I cannot wait to see how this company grows and how many more people they can help with…” — Google review
#4
Grease Monkey
“I went in for an oil change and emissions on my Audi. I was impressed that the tech told me I didn’t need an oil change, that my oil was clean and so I could return later. He could have easily done the oil change and…” — Google review
#5
South Valley Auto Glass
“I needed my entire windshield replaced on my Bronco. They worked with my warranty company for me, came out to my house, and installed the new glass in just thirty minutes. They make this so easy on you!” — Google review
#6
Performance Place
“The team was very helpful during a stressful situation and provided expert advice! This was my first experience but I’ll be coming back” — Google review
#7
Hillside Tire & Service
“This is the place to take your car. We have been customers for 20+ years and they always do right by you. I have witnessed great acts of kindness from their team. A great group of good guys. Can't find any finer…” — Google review
#8
Jake's Auto & Truck Repair
“They were incredible, we did a Pre Purchase Inspection and for the price of an extremely average PPI they literally gave us a full powerpoint and explained all of the things that were wrong with the car we were…” — Google review
#9
Big O Tires
“Luis chay and victor are absolute studs! I walked in and they instantly went to work trying to help me out. All I needed was my tpms sensors flashed and they made me feel as though I was spending big money there.…” — Google review
#10
Intermountain Tire Pros
“Had something hit the undercarriage of my car on I-15 on the way to Herriman Friday morning. When I got to Herriman heard a back scraping noise. Drove over to Intermountain Tire Pros and they took care of the…” — Google review
How we pick auto repair shops in Herriman
We scan Google Maps for auto repair shop listings in and around Herriman, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated auto repair shop in Herriman?
Salt Lake Valley Mobile Mechanics LLC has the highest Google rating on our Herriman list: 5.0 out of 5 from 89 reviews (as of November 2, 2026).
Which auto repair shop in Herriman has the most reviews?
Grease Monkey has the most Google reviews among the companies listed here: 3,269, with a 4.8★ average.
How are these auto repair shops chosen?
Only open Herriman-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Also in Herriman: Holistic Health