ModWash vs Tommy's Express® Car Wash
Data updated · May 24, 2026
Tommy's Express® Car Wash is larger (264 vs 127 locations); ModWash is rated higher (4.85★ vs 4.57★); ModWash has the lower reviewer-reported damage rate (0.83% vs 3.04%).
ModWash and Tommy's Express® Car Wash are both national-tier US car wash operators. ModWash edges ahead on review-weighted rating (4.85★ vs 4.57★, a modest gap). On reviewer-reported damage, ModWash runs lower at 0.83% vs 3.04% — a meaningful 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). Tommy's Express® Car Wash operates 264 locations across 38 states (6.9 per state). ModWash has a denser per-state footprint (10.6 sites/state vs 6.9 for Tommy's Express® Car Wash), suggesting a more saturated regional strategy. Total customer signal is 182,068 Google reviews for ModWash (70,105 LLM-scored) vs 134,780 for Tommy's Express® Car Wash (65,633 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 | Tommy's Express® Car Wash | Winner |
|---|---|---|---|
| Wash Quality | +0.75 | +0.62 | ModWash |
| Staff & Customer Service | +0.94 | +0.89 | ModWash |
| Wait Time | +0.64 | +0.72 | Tommy's Express® Car Wash |
| Per-Wash Price | +0.24 | +0.14 | ModWash |
| Equipment Working | -0.33 | -0.41 | ModWash |
| Facility Cleanliness | +0.79 | +0.85 | Tommy's Express® Car Wash |
| Membership Value | +0.25 | +0.29 | Tommy's Express® Car Wash |
ModWash's strongest aspect in customer reviews is Staff & Customer Service (+0.94); the weakest is Equipment Working (-0.33). Tommy's Express® Car Wash's strongest is Staff & Customer Service (+0.89); the weakest is Equipment Working (-0.41). ModWash comes out ahead on Wash Quality, Per-Wash Price; Tommy's Express® Car Wash doesn't have a clear win on any of the 7 pillars.
Tommy's Express® Car Wash has the lower cancellation-friction rate (8.4% vs 12.4% of mem-discussing reviews) — a substantial gap. The dataset-wide rate is roughly 10–15%.
Do they operate the same format of car wash?
| Format | ModWash | Tommy's Express® Car Wash |
|---|---|---|
| Express Tunnel | 2.1% | 8.4% |
| Full Service | 3.6% | 1.1% |
| 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 Tommy's Express® Car Wash compete?
ModWash and Tommy's Express® Car Wash compete head-to-head in 11 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, Tommy's Express® Car Wash has more sites to choose from.
About ModWash vs Tommy's Express® Car Wash
ModWash vs Tommy's Express® Car Wash: which is bigger?
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Which has the higher customer rating, ModWash or Tommy's Express® Car Wash?
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Which has the lower damage rate, ModWash or Tommy's Express® Car Wash?
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Where do ModWash and Tommy's Express® 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 / Tommy's Express® 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.