#1
Butler Auto
“Brandon and the guys at Butler Auto are absolutely a great group of guys. They were friendly, professional, and great to work with. If you need any diesel work done, definitely give them a call. Highly recommend!” — Google review
Experts Reviews · 2026 Ratings
The Best Auto Repair Shops in Nampa, ID
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$585typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
98%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.84★average ratingPlain average of every Google star rating we collected for these companies.
2.8%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 379,946 Google reviews of 899 top-rated auto repair shops nationwide; 10 of them in Nampa, ID. Updated November 12, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
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 auto repair shops).
| # | 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 |  Blue Skies AutomotiveNampa, ID | 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 55%97+52.9Reliability 24%98+23.8Value 14%100+14.1Replies to reviews 7%99+7Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.97 | — |
| 2 | Butler AutoNampa, ID | 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%99+58.1Reliability 26%96+25Value 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– | 5.00 | — |
| 3 |  Ace AutomotiveNampa, ID | 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%99+58.1Reliability 26%95+24.8Value 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. | AA–AA– | 5.00 | — |
| 4 |  Archers Auto RepairNampa, ID | A 95How 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%93+50.7Reliability 24%94+22.8Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.94 | — |
| 5 |  Archers Auto RepairNampa, ID | 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%83+45.3Reliability 24%82+19.9Value 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. | AAAAAA | 4.81 | — |
| 6 |  Encore Auto Repair & SalesNampa, ID | 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%87+47.5Reliability 24%66+16Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAA | 4.93 | — |
| 7 |  Caliber CollisionNampa, ID | 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%82+44.7Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty91−0.9Momentum penalty91−0.9Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAA | 4.80 | — |
| 8 |  All Tech Auto RepairNampa, ID | 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%86+46.9Reliability 24%82+19.9Value 14%100+14.1Replies to reviews 7%44+3.1Craft & service penalty87−1.3Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.81 | — |
| 9 | 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%83+45.3Reliability 24%78+18.9Value 14%100+14.1Replies to reviews 7%34+2.4Craft & service penalty99−0.1Experts Score= 81Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAD | 4.88 | — | |
| 10 |  Whit's Auto Repair, Inc.Nampa, ID | B 78How 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%79+43.1Reliability 24%75+18.2Value 14%99+14Replies to reviews 7%44+3.1Momentum penalty93−0.7Experts Score= 78Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAC | 4.79 | — |
What jobs cost
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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Auto Repair Shops in Nampa, ID at a glance
How the 10 auto repair shops we rated in Nampa, ID compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A990%
- Grade B110%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up550%
- 4.80–4.89★440%
- 4.60–4.79★110%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality24,35126%
- Professionalism27,69630%
- Responsiveness390%
- Punctuality20,09622%
- Value20,21922%
Was the price fair?
All price verdicts left with reviews.
- Great price21,31745%
- Reasonable23,57350%
- Overpriced1,1192%
- Not sure1,4243%
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.
The 10 best-rated auto repair shops in Nampa, ID average 4.9★ on Google across 3,097 reviews. Butler Auto has the top rating (5.0★), and Caliber Collision has the most reviews (689). Updated November 3, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (3,097 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Blue Skies Automotive
“I was recommended Blue Skies Automotive by someone I know, so I felt good about coming to this shop. Joshua was very responsive and got me in on a day that worked with my schedule. He found the issue quickly and…” — Google review
#3
Encore Auto Repair & Sales
“Over the last 15 years I have had nothing but exceptional service from Encore Automotive. Greg and other employees have always been professional, helpful, informative and honest. I will always take my vehicles to…” — Google review
#4
Caliber Collision
“I had a 5-star experience with Cody the moment I walked in. The entire staff was welcoming, the initial sign in with Shelby made the whole process very easy, and I left feeling very satisfied with their resolution…” — Google review
#5
All Tech Auto Repair
“I'm from out of state and my check engine light came on about 50 miles outside of town. They were great about getting me in the next day after calling them. They were able to troubleshoot the problem, order parts,…” — Google review
#6
Whit's Auto Repair, Inc.
“I have been using These mechanics for a while now and have had the best experience. I love how they even give you pictures of everything they’re talking about and explain every detail.” — Google review
#7
Archers Auto Repair
“Outstanding! Took a vehicle in on a Monday at 10:30 am, estimate by 1 pm for some major repairs and completed in 1 and a half days. Great customer service and price was WELL UNDER another repair shops estimate and…” — Google review
#8
Ace Automotive
“Casey was great - we called him totally last minute for a pre buy inspection and he got us in right away. Very nice guys, know what they’re doing and the price was incredibly reasonable.” — Google review
#9
Archers Auto Repair
“I can’t explain enough how satisfied I am with their work, time, and dedication highly recommended this shop for all your vehicle services.” — Google review
#10
Morales Auto Repair
“I am so thankful my friends recommended Morales Auto. I purchased a salvaged title 2015 Honda and the team at Morales gave it a thorough check and fixed what needed to be fixed. They maintain it and it runs like a…” — Google review
How we pick auto repair shops in Nampa
We scan Google Maps for auto repair shop listings in and around Nampa, 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.
Frequently asked questions
Who is the highest-rated auto repair shop in Nampa?
Butler Auto has the highest Google rating on our Nampa list: 5.0 out of 5 from 110 reviews (as of November 3, 2026).
Which auto repair shop in Nampa has the most reviews?
Caliber Collision has the most Google reviews among the companies listed here: 689, with a 4.8★ average.
How are these auto repair shops chosen?
Only open Nampa-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.