Analyzing 7,185,9777.2M ReviewsFor 20,38520.4K Experts
We graded 8 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 28,091 Google reviews of 79 top-rated car wash services nationwide; 8 of them in Pasco, WA. Updated November 2, 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 car wash 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 |  Xclusive Detailing 509Pasco, WA | A 98How 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 69%99+68.5Reliability 31%97+29.8Experts Score= 98Not enough data for value, 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––A– | 5.00 | — |
| 2 |  Signature Auto DetailingPasco, WA | A 98How 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%98+57.5Reliability 26%97+25.3Value 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. | AAAAA– | 4.97 | — |
| 3 |  TC DetailPasco, WA | A 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%84+45.8Reliability 24%80+19.4Value 14%87+12.3Replies to reviews 7%100+7.1Craft & service penalty87−1.3Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.77 | — |
| 4 |  Autobahn ExpressPasco, WA | A 82How 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%74+17.9Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 82Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BB–AAA | 4.77 | — |
| 5 |  Mr. Hand CarwashPasco, WA | B 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 64%74+47Reliability 28%93+26.3Replies to reviews 8%48+4Experts Score= 77Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BA–––C | 4.68 | — |
| 6 |  The Auto LoungePasco, WA | B 73How 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 64%76+48.3Reliability 28%58+16.4Replies to reviews 8%100+8.2Experts Score= 73Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BC––AA | 4.78 | — |
| 7 |  One Stop MartPasco, WA | B 71How 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 64%76+48.3Reliability 28%73+20.6Replies to reviews 8%23+1.9Experts Score= 71Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BB––AD | 4.61 | — |
| 8 |  Liberty Car WashPasco, WA | C 53How 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%57+31.1Reliability 24%24+5.8Value 14%100+14.1Replies to reviews 7%32+2.3Experts Score= 53Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | CD–AAD | 4.46 | — |
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 8 car wash services we rated in Pasco, WA 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 8 best-rated car wash services in Pasco, WA average 4.8★ on Google across 973 reviews. Signature Auto Detailing has the top rating (5.0★), and The Auto Lounge has the most reviews (245). Updated November 2, 2026.
8 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (973 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Very satisfied w the result! My car looks brand new and the customer service was excellent. They even got rid of really old stains on the seats and hard water on the windows. Couldn’t be happier and I highly…” — Google review
“Great experience from start to finish! They arrived right on time and did an awesome job on all three vehicles. One even got a ceramic coating, and the results were amazing. They really took their time and paid…” — Google review
“I took my car in for tint, when I picked it up there were two little spots in the small corner windows that I was shown and told they might need to be fixed. They ended up needing fixed along with another spot that…” — Google review
“Myron and his team are awesome! I have had 2 cars both done with ceramic window tint, paint correction and ceramic coating. If you need any work done to your car I definitely recommend TC Detail. You will not be…” — Google review
“After you get through the self pay it's a great car wash. Went there yesterday and the car wash was the best in all of Try City can't Beat the price anywhere and service excellent...Five Stars to Autobahn Express...” — Google review
“An amazing gas station here in the Pasco Community neighborhood has never been a let down and store has been very convenient and family friendly.” — Google review
“Great service at great prices! Cleaned all the bugs from my long drive off of my grill. Took extra time to make sure everything was right. Highly recommend!” — Google review
“Highly recommend! Deb is ALWAYS wonderful! I’ve dealt with Mark as well and the young man this morning was great too! Thank you!” — Google review
We scan Google Maps for car wash listings in and around Pasco, 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.
Signature Auto Detailing has the highest Google rating on our Pasco list: 5.0 out of 5 from 147 reviews (as of November 2, 2026).
The Auto Lounge has the most Google reviews among the companies listed here: 245, with a 4.8★ average.
Only open Pasco-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.
Analyzing 7,185,9777.2M ReviewsFor 20,38520.4K Experts