Experts Reviews · 2026 Ratings

The Best Oil Change Services in Arizona

We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.

—typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
97%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.79★average ratingPlain average of every Google star rating we collected for these companies.
3.3%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 43,905 Google reviews of 80 top-rated oil change services nationwide; 10 of them in Arizona. Updated November 1, 2026.

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Best oil change services in Arizona for a/c installation & repair

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1Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & Tires★ 4.94 on this job31 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.94★Number of such jobs 25%31Overall Experts Score 20%81Job match= 88Stars are pulled toward the category average (4.79★) 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.88
2Brakes Plus logoBrakes Plus★ 5.00 on this job18 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%5.00★Number of such jobs 25%18Overall Experts Score 20%75Job match= 85Stars are pulled toward the category average (4.79★) 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.85
3Brakes Plus logoBrakes Plus★ 4.78 on this job18 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.78★Number of such jobs 25%18Overall Experts Score 20%77Job match= 73Stars are pulled toward the category average (4.79★) 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.73
4Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & Tires★ 4.70 on this job37 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.70★Number of such jobs 25%37Overall Experts Score 20%74Job match= 73Stars are pulled toward the category average (4.79★) 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.73
5Horne Mazda Avondale Parts & Service logoHorne Mazda Avondale Parts & Service★ 4.60 on this job5 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.60★Number of such jobs 25%5Overall Experts Score 20%79Job match= 61Stars are pulled toward the category average (4.79★) 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.61
6Brakes Plus logoBrakes Plus★ 4.33 on this job9 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.33★Number of such jobs 25%9Overall Experts Score 20%83Job match= 52Stars are pulled toward the category average (4.79★) 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.52
7Ultimate European Repair logoUltimate European Repair★ 4.20 on this job5 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%4.20★Number of such jobs 25%5Overall Experts Score 20%69Job match= 47Stars are pulled toward the category average (4.79★) 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.47
8Llantera llamas logoLlantera llamas★ 3.67 on this job3 jobs reviewedHow Job match is calculatedBuilt only from reviews Google tagged “A/C installation & repair”:Stars on this job 55%3.67★Number of such jobs 25%3Overall Experts Score 20%79Job match= 40Stars are pulled toward the category average (4.79★) 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.40

Job match = this company’s ★ on reviews Google tagged “A/C installation & repair” (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 a/c installation & repair

Andy3 reviewsTotal 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 a month ago★
Ultimate European Repair logoUltimate European Repair

Wish I could give 0 stars. Totalled my baby (2007 BMW 328i) on a test drive, and then asked me to pay for the service before they would release it to the insurance company. Owned the car for 10 years with impeccable maintenance. RIP Sheila Edit 9/22/26 - Emailed the owner per their instructions in the reply to this…

Customer photo from Andy's review
OverpricedA/C installation & repair
xrtov3 reviewsTotal 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★★★★★
Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & Tires

Excellent experience.Service was done on time The price of repair came out much less than the price quoted. Will definitely use there services again.

Reasonable priceA/C installation & repair
Rosa4 reviewsTotal 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. · 2 months ago★★★★★
Brakes Plus logoBrakes Plus

Thank you to Alex at the Goodyear location for the outstanding customer service! I originally had a scheduled service appointment at the Avondale location on Rancho Santa Fe Blvd\., but unfortunately, they were unable to assist me and wanted to cancel my appointment. I was then redirected me to the Goodyear…

A/C installation & repair
Kassandra3 reviewsTotal 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. · 2 months ago★★★★★
Brakes Plus logoBrakes Plus

This is an amazing shop full of kind and honest people. They are super helpful every time I come. They make you feel genuinely heard and appreciated. I recommend them to everyone looking for an HONEST shop!!! :)

A/C installation & repair
bonnyLocal Guide · 59 reviewsTotal 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 4 months ago★★★★★
Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & Tires

They got me scheduled. I got in & got out. They gave me the info needed to make a smart decision about my brakes. Finally someone that is honest. They don't make me feel dumb. They answer all my questions. I feel safe on their hands. These guys are great. Did an inspection & showed me what needed attention. Yea!!…

Reasonable priceA/C installation & repairOil change+ Quality+ Professionalism+ Value
garagetalk12 reviewsTotal 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 10 months ago★★★★★
Llantera llamas logoLlantera llamas

I've been dealing with you guys for 13 years I've always been happy with my service. You guys are the only ones I trust with my vehicles, and when anyone ask me who they can take their car to, I send them right to you guys. Out of the vehicles that I bring to them I'm very happy with my service.

Customer photo from garagetalk's reviewCustomer photo from garagetalk's review
Great priceExhaustTiresSteering & suspension repair

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 oil change services).

#CompanyScoreExperts 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).
1Valvoline Instant Oil Change logoValvoline Instant Oil ChangeAvondale, AZA 86How 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%85+46.4Reliability 24%78+18.9Value 14%100+14.1Replies to reviews 7%97+6.9Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.AB–AAA4.86—
2Brakes Plus logoBrakes PlusAvondale, AZA 83How 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%82+44.7Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty86−1.4Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.ABAAAA4.76—
3Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & TiresAvondale, AZA 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%80+43.6Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%91+6.4Craft & service penalty87−1.3Momentum penalty97−0.3Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.ABAAAA4.80—
4Llantera llamas logoLlantera llamasAvondale, AZB 79How 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%80+43.6Reliability 24%78+18.9Value 14%100+14.1Replies to reviews 7%27+1.9Experts Score= 79Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.ABAAAD4.77—
5Horne Mazda Avondale Parts & Service logoHorne Mazda Avondale Parts & ServiceAvondale, AZB 79How 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%81+44.2Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty95−0.5Momentum penalty53−4.7Experts Score= 79Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.ABAACA4.82—
6Big O Tires logoBig O TiresAvondale, AZB 79How 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%70+17Value 14%100+14.1Replies to reviews 7%100+7.1Momentum penalty98−0.2Experts Score= 79Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BB–AAA4.76—
7Brakes Plus logoBrakes PlusAvondale, AZB 77How 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%77+42Reliability 24%64+15.5Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty93−0.7Momentum penalty91−0.9Experts Score= 77Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBAAAA4.78—
8Brakes Plus logoBrakes PlusAvondale, AZB 75How 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%75+40.9Reliability 24%63+15.3Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty89−1.1Momentum penalty89−1.1Experts Score= 75Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBAAAA4.76—
9Wilhelm Automotive Repair & Tires logoWilhelm Automotive Repair & TiresAvondale, AZB 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%73+39.8Reliability 24%63+15.3Value 14%100+14.1Replies to reviews 7%81+5.7Craft & service penalty94−0.6Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBAAAA4.77—
10Ultimate European Repair logoUltimate European RepairAvondale, AZB 69How 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%60+14.5Value 14%100+14.1Replies to reviews 7%100+7.1Momentum penalty36−6.4Experts Score= 69Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBAADA4.85—

What jobs cost

What customers paid, from the price Google asks reviewers to report.

JobLow25th 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”.

Oil Change Services in Arizona at a glance

How the 10 oil change services we rated in Arizona compare, and what customers praise most.

Experts Score grades

A = score 80+, F = below 20.

  • Grade A330%
  • Grade B770%
  • Grade C00%
  • Grade D00%
  • Grade F00%

Google ratings

Average stars per company.

  • 4.90★ and up00%
  • 4.80–4.89★440%
  • 4.60–4.79★660%
  • Below 4.60★00%

What customers praise

Share of Google review highlights.

  • Quality2,47227%
  • Professionalism2,74930%
  • Responsiveness00%
  • Punctuality1,99022%
  • Value2,02422%

Was the price fair?

All price verdicts left with reviews.

  • Great price3,01846%
  • Reasonable3,25949%
  • Overpriced1723%
  • Not sure1592%

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.