Analyzing 10,631,50710.6M ReviewsFor 30,16630.2K Experts
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 99,672 Google reviews of 160 top-rated oil change services nationwide; 10 of them in Surprise, AZ. Updated November 13, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
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).
| # | 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 |  Edmunds Automotive RepairSurprise, AZ | 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%91+49.6Reliability 24%90+21.8Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.91 | — |
| 2 |  Express Oil Change & Tire EngineersSurprise, AZ | 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%87+47.5Reliability 24%79+19.2Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB–AAA | 4.87 | — |
| 3 |  Grease MonkeySurprise, AZ | 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%88+48Reliability 24%85+20.6Value 14%100+14.1Replies to reviews 7%75+5.3Experts Score= 88Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.86 | — |
| 4 |  Christian Brothers Automotive SurpriseSurprise, AZ | A 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%77+18.7Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB–AAA | 4.85 | — |
| 5 |  Big Brand Tire & ServiceSurprise, AZ | A 85How 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%83+45.3Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%96+6.8Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB–AAA | 4.77 | — |
| 6 |  Brakes PlusSurprise, AZ | 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%80+43.6Reliability 24%69+16.7Value 14%100+14.1Replies to reviews 7%100+7.1Momentum penalty89−1.1Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AB–AAA | 4.81 | — |
| 7 |  Brakes PlusSurprise, AZ | 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%78+42.5Reliability 24%67+16.2Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty96−0.4Momentum penalty66−3.4Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAABA | 4.76 | — |
| 8 |  All Valley Car Care SurpriseSurprise, AZ | B 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%77+42Reliability 24%69+16.7Value 14%100+14.1Replies to reviews 7%44+3.1Craft & service penalty87−1.3Experts Score= 75Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAC | 4.79 | — |
| 9 |  Max AutomotiveSurprise, AZ | 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%81+44.2Reliability 24%79+19.2Value 14%85+12Replies to reviews 7%13+0.9Craft & service penalty77−2.3Momentum penalty99−0.1Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABBAAF | 4.79 | — |
| 10 |  Automotive DynamicsSurprise, AZ | B 62How 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%52+12.6Value 14%91+12.9Replies to reviews 7%12+0.8Momentum penalty36−6.4Experts Score= 62Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCAADF | 4.82 | — |
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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How the 10 oil change services we rated in Surprise, AZ compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
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 oil change services in Surprise, AZ average 4.8★ on Google across 7,505 reviews. Grease Monkey has the top rating (4.9★), and Brakes Plus has the most reviews (1,470). Updated November 13, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (7,505 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“I m too old to be crawling under my car, the folks here do a great job. Been going here for seven plus years. Highly recommend, no horror stories you hear about some lube places. Great group of guys here. Great car…” — Google review
“Had an issue with my truck and needed it fixed quickly. The team got me in explained my options and had everything taken care of sooner than expected.” — Google review
“I always come here for my car maintenance, and I wouldn’t go anywhere else! The entire team is fantastic, but Chris always stands out. Chris is consistently welcoming, incredibly attentive to detail, and always goes…” — Google review
“This is my second time coming to the particular location and I'm always here for a min. However, I'm leaving knowing my shi is right. Great place with great people. They don't try to pressure you in to…” — Google review
“Excellent service from the first phone call! Special thanks to Mike, Matthew, and Taylor for their help from scheduling my appointment through the entire process. They kept me informed with timely updates, estimates,…” — Google review
“Called Big Brand, gave me a quote took my golf cart wheels in. They delivered exactly what I agreed to, and the job was finished ahead of time. Cannot ask for more. Steve” — Google review
“Excellent service, upfront, was very transparent with all the details and set expectations right from the get go. Ernie took great care of my car and my situation in a timely manner and was very professional. Will be…” — Google review
“Mark was super kind and helpful. I had a flat tire and although they don’t fix flats, they were able to take it off and put on the spare. Highly recommend” — Google review
“Knowledgeable staff and great service writer. Super helpful and communication has always been a plus. Would highly recommend” — Google review
“A coworker told me about Max Auto repair & how they they did a great job repairing his car and treated him well so when my A/C went out & started leaking a little antifreeze on my 2007 Nisan Xterra, I took it to…” — Google review
We scan Google Maps for oil change service listings in and around Surprise, 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.
Grease Monkey has the highest Google rating on our Surprise list: 4.9 out of 5 from 624 reviews (as of November 13, 2026).
Brakes Plus has the most Google reviews among the companies listed here: 1,470, with a 4.8★ average.
Only open Surprise-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.
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Analyzing 10,631,50710.6M ReviewsFor 30,16630.2K Experts