ModWash vs Mr. Clean Car Wash
Data updated · May 24, 2026
ModWash is larger (127 vs 23 locations); ModWash is rated higher (4.85★ vs 4.32★); ModWash has the lower reviewer-reported damage rate (0.83% vs 1.95%).
ModWash is a national-tier operator and Mr. Clean Car Wash is regional-tier, so they're competing at different scale points. ModWash edges ahead on review-weighted rating (4.85★ vs 4.32★, a meaningful gap). On reviewer-reported damage, ModWash runs lower at 0.83% vs 1.95% — a modest operating-quality gap. The dataset-wide average across all car wash chains is roughly 1–3%.
ModWash operates 127 locations across 12 states (10.6 sites per state on average). Mr. Clean Car Wash operates 23 locations across 4 states (5.8 per state). ModWash has a denser per-state footprint (10.6 sites/state vs 5.8 for Mr. Clean Car Wash), suggesting a more saturated regional strategy. Total customer signal is 182,068 Google reviews for ModWash (70,105 LLM-scored) vs 11,405 for Mr. Clean Car Wash (3,643 scored).
How do customers rate each chain on the 7 pillars?
Aspect scores aggregate WashIndex's LLM extractions across each chain's reviews. Each score is (positive − negative) / total mentions, ranging −1 to +1. Numbers above zero mean customers say more positive than negative things about the aspect; below zero means the reverse.
| Aspect | ModWash | Mr. Clean Car Wash | Winner |
|---|---|---|---|
| Wash Quality | +0.75 | +0.72 | ModWash |
| Staff & Customer Service | +0.94 | +0.86 | ModWash |
| Wait Time | +0.64 | +0.66 | Mr. Clean Car Wash |
| Per-Wash Price | +0.24 | +0.05 | ModWash |
| Equipment Working | -0.33 | +0.02 | Mr. Clean Car Wash |
| Facility Cleanliness | +0.79 | +0.90 | Mr. Clean Car Wash |
| Membership Value | +0.25 | +0.49 | Mr. Clean Car Wash |
ModWash's strongest aspect in customer reviews is Staff & Customer Service (+0.94); the weakest is Equipment Working (-0.33). Mr. Clean Car Wash's strongest is Facility Cleanliness (+0.90); the weakest is Equipment Working (+0.02). Head-to-head on the 7 pillars: ModWash wins on Per-Wash Price, while Mr. Clean Car Wash wins on Equipment Working, Facility Cleanliness, Membership Value. The remaining pillars are too close to call.
Mr. Clean Car Wash has the lower cancellation-friction rate (7.3% vs 12.4% of mem-discussing reviews) — a substantial gap. The dataset-wide rate is roughly 10–15%. Customers discuss memberships more often when reviewing Mr. Clean Car Wash (12.7% of reviews) than the alternative (8.5%), which usually signals a more aggressively-marketed unlimited-wash program.
Do they operate the same format of car wash?
| Format | ModWash | Mr. Clean Car Wash |
|---|---|---|
| Full Service | 3.6% | 4.6% |
| Express Tunnel | 2.1% | 3.8% |
| Detail Shop | 0.4% | 4.4% |
| Hand Wash | 1.5% | 2.6% |
| Self-Serve Bay | 0.6% | 1.8% |
Format share is computed across customer review mentions, not over locations. A chain with mostly express-tunnel sites but heavy detail-shop talk in reviews will show both at non-trivial rates.
ModWash is predominantly a Express Tunnel chain while Mr. Clean Car Wash is Full Service. They're not really competing for the same customer occasion — different formats serve different price points, throughput needs, and wash expectations. Customers who care about wash result might pick one; customers who care about speed might pick the other.
Where do ModWash and Mr. Clean Car Wash compete?
ModWash and Mr. Clean Car Wash compete head-to-head in 3 metropolitan statistical areas. In those shared markets, customers can choose between the two. In short: If customer-rating consistency is the deciding factor, ModWash is the safer pick; if avoiding vehicle damage is the priority, ModWash runs the lower reviewer-reported damage rate; if location convenience matters most, ModWash has more sites to choose from.
About ModWash vs Mr. Clean Car Wash
ModWash vs Mr. Clean Car Wash: which is bigger?
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Which has the higher customer rating, ModWash or Mr. Clean Car Wash?
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Which has the lower damage rate, ModWash or Mr. Clean Car Wash?
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Where do ModWash and Mr. Clean Car Wash compete head-to-head?
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About this comparison
Both chains' numbers are pulled from the same WashIndex per-location dataset — Google reviews processed through LLM extraction across 55 dimensions, format classification from each operator's website, and competitive-density analysis. See each chain's full profile — ModWash / Mr. Clean Car Wash — for monthly trends, per-location drill-down, executive summary, and anomaly detection.
See our full methodology for the extraction pipeline, validation samples, and aggregation logic.