ModWash vs Super Star Car Wash
Data updated · May 24, 2026
ModWash is larger (127 vs 118 locations); ModWash is rated higher (4.85★ vs 4.61★); ModWash has the lower reviewer-reported damage rate (0.83% vs 1.74%).
ModWash and Super Star Car Wash are both national-tier US car wash operators. ModWash edges ahead on review-weighted rating (4.85★ vs 4.61★, a modest gap). On reviewer-reported damage, ModWash runs lower at 0.83% vs 1.74% — 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). Super Star Car Wash operates 118 locations across 5 states (23.6 per state). Super Star Car Wash has a denser per-state footprint (23.6 sites/state vs 10.6 for ModWash), suggesting a more saturated regional strategy. Total customer signal is 182,068 Google reviews for ModWash (70,105 LLM-scored) vs 153,804 for Super Star Car Wash (72,655 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 | Super Star Car Wash | Winner |
|---|---|---|---|
| Wash Quality | +0.75 | +0.66 | ModWash |
| Staff & Customer Service | +0.94 | +0.88 | ModWash |
| Wait Time | +0.64 | +0.54 | ModWash |
| Per-Wash Price | +0.24 | +0.27 | Super Star Car Wash |
| Equipment Working | -0.33 | -0.36 | ModWash |
| Facility Cleanliness | +0.79 | +0.70 | ModWash |
| Membership Value | +0.25 | +0.15 | ModWash |
ModWash's strongest aspect in customer reviews is Staff & Customer Service (+0.94); the weakest is Equipment Working (-0.33). Super Star Car Wash's strongest is Staff & Customer Service (+0.88); the weakest is Equipment Working (-0.36). ModWash comes out ahead on Membership Value; Super Star Car Wash doesn't have a clear win on any of the 7 pillars.
Super Star Car Wash has the lower cancellation-friction rate (10.4% vs 12.4% of mem-discussing reviews) — a meaningful gap. The dataset-wide rate is roughly 10–15%. Customers discuss memberships more often when reviewing Super Star Car Wash (13.7% 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 | Super Star Car Wash |
|---|---|---|
| Express Tunnel | 2.1% | 3.0% |
| Full Service | 3.6% | 1.2% |
| Hand Wash | 1.5% | 0.5% |
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.
Both chains are predominantly Express Tunnel operators, so they compete head-on for the same customer occasion. The choice between them is largely about brand, price point, location convenience, and customer experience rather than format differentiation.
Where do ModWash and Super Star Car Wash compete?
ModWash and Super Star Car Wash don't share any of the US metropolitan statistical areas we cover, so there's no current head-to-head competition between them. 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.
About ModWash vs Super Star Car Wash
ModWash vs Super Star Car Wash: which is bigger?
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Which has the higher customer rating, ModWash or Super Star Car Wash?
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Which has the lower damage rate, ModWash or Super Star Car Wash?
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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 / Super Star 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.