The Best Auto Repair Shops in Herriman, UT

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1Richins Car Service★ 4.92 on this job153 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%4.92★Number of such jobs 25%153Overall Experts Score 20%93Job match= 92Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.92

2Grease Monkey★ 5.00 on this job18 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%5.00★Number of such jobs 25%18Overall Experts Score 20%88Job match= 83Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.83

3GMGrease Monkey★ 4.97 on this job36 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%4.97★Number of such jobs 25%36Overall Experts Score 20%72Job match= 83Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.83

4Performance Place★ 4.90 on this job49 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%4.90★Number of such jobs 25%49Overall Experts Score 20%74Job match= 81Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.81

5Hillside Tire & Service★ 5.00 on this job7 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%5.00★Number of such jobs 25%7Overall Experts Score 20%82Job match= 75Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.75

6Salt Lake Valley Mobile Mechanics LLC★ 5.00 on this job3 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%5.00★Number of such jobs 25%3Overall Experts Score 20%98Job match= 72Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.72

7Big O Tires★ 5.00 on this job3 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine diagnostic”:Stars on this job 55%5.00★Number of such jobs 25%3Overall Experts Score 20%76Job match= 68Stars are pulled toward the category average (4.84★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.68

Job match = this company’s ★ on reviews Google tagged “Auto engine diagnostic” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.

What customers said about auto engine diagnostic

DallonLocal Guide · 70 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 days ago★★★★★

Richins Car Service

I've been taking my cars to Richens for about ten years now, and they’ve never let me down. I really appreciate their honesty, great work, and fair prices. I highly recommend them and will keep going back whenever I need service. Thanks.

Reasonable priceAuto water leak repairGeneral repairs & maintenanceAuto engine diagnostic

mikeLocal Guide · 18 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 2 months ago★★★★★

Performance Place

My truck had a complex issue which Performance Place diagnosed accurately and made the repairs in a timely and effective manner.

Reasonable priceAuto engine diagnosticEngine repair+ Punctuality

JeremyLocal Guide · 27 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 months ago★★★★★

GMGrease Monkey

Amazing customer service. Had my oil changed and was treated really well and had amazing service, with luxurious for a mechanics waiting room, had refreshments like no other. Great experience everytime.

Reasonable priceAuto engine diagnosticOil change

Victoria9 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★★★

Big O Tires

Had a wonderful experience with Louise working on my car, They replaced my thermostat and cooling sensors for me incredibly fast, and then a week later helped me finish my rear breaks because I could only do one side myself! Can't recommend this shop enough. The nicest employees & great work!

Auto engine diagnosticAuto brake repairEngine repair

Sherrol4 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · Edited 6 days ago★★★★★

Richins Car Service

They’re very helpful and I felt good about their diagnosis and plan for my car. I will be going back when I need car repairs.😊

Reasonable priceAuto water leak repairAuto engine diagnostic

KyleLocal Guide · 14 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 weeks ago★★★★★

Richins Car Service

I've brought my vehicles here multiple times and its always been quick and easy. If I could leave 6 stars I would. Kent took care of me and Kelly is always a blast to chat with.

Great priceGeneral repairs & maintenanceAuto engine diagnosticVehicle Inspection

Overall ratings

Experts Score 0–100iExperts 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	ScoreiExperts 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.	FactorsiFactor 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.	★iGoogle star rating as shown on Google Maps.	Typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1	Salt Lake Valley Mobile Mechanics LLCHerriman, UT	A 98iHow 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 93iHow 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 88iHow 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 82iHow 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 81iHow 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 76iHow 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 74iHow 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	GMGrease MonkeyHerriman, UT	B 72iHow 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 70iHow 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.

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.

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.