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.
From 379,946 Google reviews of 899 top-rated auto repair shops nationwide; 10 of them in Nampa, ID. Updated November 12, 2026.
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Best auto repair shops in Nampa for auto engine tuning
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Whit's Auto Repair, Inc.How Job match is calculatedBuilt only from reviews Google tagged “Auto engine tuning”:Stars on this job 55%5.00★Number of such jobs 25%13Overall Experts Score 20%78Job match= 87Stars are pulled toward the category average (4.84★) 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.87
All Tech Auto RepairHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine tuning”:Stars on this job 55%4.78★Number of such jobs 25%23Overall Experts Score 20%83Job match= 81Stars are pulled toward the category average (4.84★) 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.81
Archers Auto RepairHow Job match is calculatedBuilt only from reviews Google tagged “Auto engine tuning”:Stars on this job 55%5.00★Number of such jobs 25%6Overall Experts Score 20%86Job match= 80Stars are pulled toward the category average (4.84★) 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.80Job match = this company’s ★ on reviews Google tagged “Auto engine tuning” (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 auto engine tuning
All Tech Auto RepairI'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, complete repairs and change the oil in 24 hours! I recommend them highly and would use them for…
Archers Auto RepairFrom a mechanic perspective the best service of all time as a first responder as a mechanic on a very nomadic fire fighter black hawk helicopter my GT Mustang needed a water leak fixed and a tune up at short notice and narrow time envelope they went out of their way to help me out and accommodate my situation and my…
Whit's Auto Repair, Inc.They scheduled me in and took care of the problem in one day. Everything was easy. They deserve your service.
All Tech Auto RepairMatt flushed my fuel system. He did a great job. The car runs like new and it was a good price.
All Tech Auto RepairAll-Tech has worked on my vehicles in the past and I have always been pleased with their work. This time is no exception. All-Tech performed the 60K and 70K inspection as listed in the owners manual. It was complete in less than a day and less expensively than the dealer quoted. They were very responsive to my…
Whit's Auto Repair, Inc.They are honest and straightforward. I appreciate their online presence for estimates, communication, and payment. They're a reputable business for auto repairs, and that can be hard to find.
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.
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.