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Grease Monkey

Oil change service · Surprise, AZ · reviewed since 2012

How 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.88SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#37 of 160 oil change servicesPosition by Experts Score among all companies we track in this category. · better than 77%
4.9 ★★★★★ 624 Google reviews · 24 photos
92%five-star reviews
4.89★last 12 monthsAverage stars on reviews from the last 12 months only.
2.2%1–2★ in 2 yearsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
71%reviews answered by the owner
Nov 2026latest review

Grease Monkey at a glance

Google reviewers rate Grease Monkey 4.9 out of 5 based on 624 reviews, with the owner responding to 71% of them. Customers frequently praise the speed of oil changes, fair pricing, and the absence of upselling, often noting that the service is quick and honest. Recurring themes include friendly staff and complimentary car washes. However, lower-rated reviews highlight occasional mechanical oversights, such as loose drain plugs, unaddressed check engine lights, and inconsistent tire pressure adjustments.

  • Google rating: 4.9 out of 5 from 624 reviews (92% five-star).
  • Reviews on this page: 624 Google reviews (462 with written comments, 5 with photos).
  • Owner responses: the business replied to 71% of reviews.
  • Most recent review: November 12, 2026.
  • Service: Oil Change Service serving Surprise, Arizona.

Data from Google, last updated November 12, 2026.

Score profile vs other oil change services

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and value; weakest: replies to reviews.

Satisfaction88Reliability85Craft & service100Value100Momentum100Replies to reviews75Satisfaction: 88 (median 83)Reliability: 85 (median 77)Craft & service: 100 (median 96)Value: 100 (median 100)Momentum: 100 (median 100)Replies to reviews: 75 (median 79)
Grease MonkeyOil Change Services median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-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.Grease Monkey: 88/100 on this factor. Category median: 83.A
88
ReliabilityReliability · 24% of the scoreHow 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.Grease Monkey: 85/100 on this factor. Category median: 77.A
85
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle 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.Grease Monkey: 100/100 on this factor. Category median: 96.A
100
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Grease Monkey: 100/100 on this factor. Category median: 100.A
100
MomentumMomentum · penalty only, up to −10 pointsPenalises 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.Grease Monkey: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow 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.Grease Monkey: 75/100 on this factor. Category median: 79.B
75

Bar = this company · dark tick = category median.

Star ratings

624 Google reviews we collected

  • 5 stars57792%
  • 4 stars264%
  • 3 stars71%
  • 2 stars61%
  • 1 star81%

Praise vs complaints

Phrases our text analysis found in 462 written reviews

  • Praise68899%
  • Complaints81%

PriceGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.

Price verdicts customers left with their Google review

  • Great price7843%
  • Reasonable10155%
  • Overpriced21%
  • Not sure21%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude21230%
  • Speed & response18126%
  • Quality & results11517%
  • Price & value649%
  • Honesty & trust568%
  • Would recommend568%
  • Communication122%

What customers talk about

We read 462 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “Great service, kind / efficient staff, one of the cheapest spots I’ve found and most importantly the quickest oil changes I’ve ever had.”
  • “I never worry about long lines or wait times when getting my oil changed, it’s quick in and out.”
  • “I m too old to be crawling under my car, the folks here do a great job.”
    “The issue wasn’t the filter itself, but the damaged bracket in the filter and displacement of the filter.”
  • “They’ve always been quick, professional And fair priced.”
    “What sets apart this location is that you can trust that they won't upsell and overcharge you.”
  • “They provide honest, exceptional service, and are always willing to help the customer out!”
  • “Highly recommend, no horror stories you hear about some lube places.”
  • “Very professional with greeting us and explaining the process 😊.”

People customers mention

  • Jake 9 reviews
  • Peoria 6 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Reviews for your job

Customers hired Grease Monkey for 8 kinds of job. Pick one to see what they paid and said.

Recent reviews

SteveLocal Guide · 33 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 3 days ago★★★★★

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 wash also!

Great priceService not listed
KarenLocal Guide · 10 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 5 days ago★★★★★

I have been going to GREASE MONKEY for years and always have the best service and best advice. The customer service is amazing. I highly recommend GREASE MONKEY.

Reasonable priceService not listed
Marie9 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. · 3 weeks ago★★★★★

Jake and the crew at grease monkeys are the best! They provide honest, exceptional service, and are always willing to help the customer out!

Bruce5 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. · 4 weeks ago★★★★★

I love this place Jake is the best, and has all his guys perform their jobs perfectly, even days he's not there.

Reasonable price
Dave10 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 weeks ago★★★★★

Been using Grease Monkey for years I get the same Quality Service each time I go in great bunch of guys recommend them

Great price
CindyLocal Guide · 35 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★★★★★

Guys always do a great job of keeping my car s oil changed, chkng fluids and air pressure in my tires, really appreciate all they do, and bonus free car wash which I really needed last time I came in, thanks again guys😁

Reasonable priceService not listed

Photos

Customer reviews

4.9 ★★★★★ 624 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Jobs customers hired them for — from Google's service tags and the review text
Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
smitly25 reviewsTotal number of Google reviews smitly2 has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Fast fast fast

Steve MLocal Guide · 33 reviewsTotal number of Google reviews Steve has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

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 wash also!

  • Price assessment: Great price
  • Services: Service not listed
  • Service duration: 0–30 min
Response from the owner · a year ago

Your recommendation means so much to us and we're so happy to have earned it, Steve. Thank you again for taking the time to let the world know about your positive experience. Thank you, and have a fantastic day!

Karen HamiltonLocal Guide · 10 reviewsTotal number of Google reviews Karen has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I have been going to GREASE MONKEY for years and always have the best service and best advice. The customer service is amazing. I highly recommend GREASE MONKEY.

  • Price assessment: Reasonable price
  • Services: Service not listed
Response from the owner · a year ago

Our team thanks you for your longtime loyalty, Karen! Your kind words mean a lot to us. We sure appreciate having you as a part of our Peoria family! Have a great day.

Duane Ann Scholler7 reviewsTotal number of Google reviews Duane has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great place! The employees are awesome.

  • Price assessment: Reasonable price
  • Services: Auto engine diagnostic
  • Service duration: 0–30 min
Response from the owner · 10 months ago

Thank you for the high star rating! We appreciate you taking the time to leave us this feedback. We hope to see you soon!

Triple 7 Trucking6 reviewsTotal number of Google reviews Triple has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great place! Great people!

Response from the owner · 9 months ago

Thanks for the review! We're glad to hear we delivered such a great experience. If there's anything further we can do for you, we are happy to help!

Michael Braun1 reviewTotal number of Google reviews Michael has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Awesome & Fast!!

  • Price assessment: Reasonable price
  • Service duration: 0–30 min
Response from the owner · a week ago

Hello Michael, thanks for the concise praise on our awesome and fast work! Keeping your maintenance quick and easy is what we do best. See you next time!

Travis Schroder3 reviewsTotal number of Google reviews Travis has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Fast service every time.

  • Price assessment: Reasonable price
  • Services: Service not listed
  • Service duration: 0–30 min
Response from the owner · 5 months ago

Just the way your experience should be! Thank you for the nice feedback, Travis. Our team appreciates you very much and wishes you a great day!

Marie Gorman9 reviewsTotal number of Google reviews Marie has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Jake and the crew at grease monkeys are the best! They provide honest, exceptional service, and are always willing to help the customer out!

Response from the owner · 3 weeks ago

Hi Marie, thanks for your praise and kind comments for Jake and the team. We always strive to provide top quality service to every guest, and are pleased to hear that you enjoyed your experience at our Peoria store. We look forward to seeing you again.

Anthony Artinghelli10 reviewsTotal number of Google reviews Anthony has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Great experience! Always a pleasure going there.

  • Price assessment: Great price
  • Services: Service not listed
  • Service duration: 0–30 min
Response from the owner · 3 weeks ago

Hello Anthony, glad to hear you always enjoy stopping by! We always aim to make every visit a pleasant one. Looking forward to welcoming you back again soon!

Bruce Bass5 reviewsTotal number of Google reviews Bruce has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I love this place Jake is the best, and has all his guys perform their jobs perfectly, even days he's not there.

  • Price assessment: Reasonable price
  • Service duration: 0–30 min
Response from the owner · 4 weeks ago

Hi Bruce, thanks for your praise and kind comments for Jake. We always strive to provide top quality service to every guest, and are pleased to hear that you enjoyed your experience at our Peoria store. We look forward to seeing you again.

Grease Monkey on Google Maps →

Business details