The Best Oil Change Services in Arizona

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1Brakes Plus★ 5.00 on this job28 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%5.00★Number of such jobs 25%28Overall Experts Score 20%83Job match= 90Stars 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.90

2Horne Mazda Avondale Parts & Service★ 4.90 on this job41 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%4.90★Number of such jobs 25%41Overall Experts Score 20%79Job match= 86Stars 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.86

3Wilhelm Automotive Repair & Tires★ 4.89 on this job45 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%4.89★Number of such jobs 25%45Overall Experts Score 20%74Job 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

4Wilhelm Automotive Repair & Tires★ 4.86 on this job43 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%4.86★Number of such jobs 25%43Overall Experts Score 20%81Job match= 84Stars 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.84

5Brakes Plus★ 5.00 on this job17 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%5.00★Number of such jobs 25%17Overall Experts Score 20%75Job match= 84Stars 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.84

6Brakes Plus★ 5.00 on this job16 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%5.00★Number of such jobs 25%16Overall Experts Score 20%77Job match= 83Stars 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.83

7Ultimate European Repair★ 5.00 on this job6 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%5.00★Number of such jobs 25%6Overall Experts Score 20%69Job match= 72Stars 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.72

8Llantera llamas★ 3.86 on this job7 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “Vehicle Inspection”:Stars on this job 55%3.86★Number of such jobs 25%7Overall Experts Score 20%79Job match= 34Stars 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.34

Job match = this company’s ★ on reviews Google tagged “Vehicle Inspection” (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 vehicle inspection

PpaulLocal Guide · 35 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 a week ago★★★★★

Ultimate European Repair

Did a full inspection on my vehicle. Had a thorough printed report and discussed the importance of repairing the identified parts.

Vehicle Inspection

DDanielLocal Guide · 15 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 a week ago★★★

Wilhelm Automotive Repair & Tires

Wilhelm staff Josie and Mark we’re great helping me out on getting new tires for my car 🚙 I recommend them and using their coupons they saved me money 💵

Great priceTiresVehicle InspectionAuto maintenance

JJennifer4 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. · 2 weeks ago★★★★★

Brakes Plus

Jim and Remy (Reny) are both knowledgeable and kind. They have both helped me several times over the past few weeks in solving an emissions problem. I highly recommend this place of business.

Great priceExhaustAuto engine diagnosticEngine repair

RRCLocal Guide · 11 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. · 3 weeks ago★★★★★

Brakes Plus

David the tech was great ! Came back today to have my struts done they offer buy 2 get 2 free shocks and struts and I priced around many companies ! Nobody offered me a deal at all !!! But these guys did !! Half price off the alignment and buy 2 get 2 free on all SHOCKS & struts !! Call and take advantage! And get a quote ! Thanks again Jay & Hector Okay

Great priceSteering & suspension repairGeneral repairs & maintenanceSteering & suspension replacement

OOdelyaLocal Guide · 68 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. · 2 months ago★★★★

Wilhelm Automotive Repair & Tires

They charged me $200 for inspection which is on the expensive side. They also mistakely said that my brand new a/c consdenser is leaking. They gave me a price quote to replace the a/c condenser (+engine issue that I had). I took it to another garage which confirmed that nothing is wrong with my a/c condenser and they fixed my engine.

OverpricedEngine repairVehicle Inspection

CCristina1 reviewiTotal 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. · 3 months ago★

Llantera llamas

I took my truck to get service for one specific issue of truck not wanting to advance and shaking when driving. At first mechanics diagnosed the issue stating it was a misfire and spark plugs were the “first thing that looked wrong”. I trusted their work as they are the mechanics working on it. After coming to pick… Read full review

Not sureVehicle InspectionAuto maintenanceService not listed

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 oil change services).

#	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	Valvoline Instant Oil ChangeAvondale, AZ	A 86iHow 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–AAA	4.86	—
2	Brakes PlusAvondale, AZ	A 83iHow 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.	ABAAAA	4.76	—
3	Wilhelm Automotive Repair & TiresAvondale, AZ	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%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.	ABAAAA	4.80	—
4	Llantera llamasAvondale, AZ	B 79iHow 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.	ABAAAD	4.77	—
5	Horne Mazda Avondale Parts & ServiceAvondale, AZ	B 79iHow 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.	ABAACA	4.82	—
6	Big O TiresAvondale, AZ	B 79iHow 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–AAA	4.76	—
7	Brakes PlusAvondale, AZ	B 77iHow 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.	BBAAAA	4.78	—
8	Brakes PlusAvondale, AZ	B 75iHow 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.	BBAAAA	4.76	—
9	Wilhelm Automotive Repair & TiresAvondale, AZ	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%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.	BBAAAA	4.77	—
10	Ultimate European RepairAvondale, AZ	B 69iHow 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.	BBAADA	4.85	—

What jobs cost

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

Oil Change Services in Arizona at a glance

How the 10 oil change services we rated in Arizona 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.