ModWash vs Swifty Car Wash
Data updated · May 24, 2026
ModWash is larger (127 vs 11 locations); ModWash is rated higher (4.85★ vs 4.55★); Swifty Car Wash has the lower reviewer-reported damage rate (0.74% vs 0.83%).
ModWash is a national-tier operator and Swifty Car Wash is local-tier, so they're competing at different scale points. ModWash edges ahead on review-weighted rating (4.85★ vs 4.55★, a modest gap). Reviewer-reported damage rates are nearly identical at 0.83% vs 0.74%.
ModWash operates 127 locations across 12 states (10.6 sites per state on average). Swifty Car Wash operates 11 locations across 1 state (11.0 per state). Swifty Car Wash is single-state (Georgia), so the comparison is most useful for customers and operators in that footprint. Total customer signal is 182,068 Google reviews for ModWash (70,105 LLM-scored) vs 13,037 for Swifty Car Wash (4,761 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 | Swifty Car Wash | Winner |
|---|---|---|---|
| Wash Quality | +0.75 | +0.68 | ModWash |
| Staff & Customer Service | +0.94 | +0.93 | ModWash |
| Wait Time | +0.64 | +0.81 | Swifty Car Wash |
| Per-Wash Price | +0.24 | +0.28 | Swifty Car Wash |
| Equipment Working | -0.33 | -0.37 | ModWash |
| Facility Cleanliness | +0.79 | +0.80 | Swifty Car Wash |
| Membership Value | +0.25 | +0.11 | ModWash |
ModWash's strongest aspect in customer reviews is Staff & Customer Service (+0.94); the weakest is Equipment Working (-0.33). Swifty Car Wash's strongest is Staff & Customer Service (+0.93); the weakest is Equipment Working (-0.37). Head-to-head on the 7 pillars: ModWash wins on Membership Value, while Swifty Car Wash wins on Wait Time. The remaining pillars are too close to call.
Swifty Car Wash has the lower cancellation-friction rate (10.5% vs 12.4% of mem-discussing reviews) — a modest gap. The dataset-wide rate is roughly 10–15%.
Do they operate the same format of car wash?
| Format | ModWash | Swifty Car Wash |
|---|---|---|
| Full Service | 3.6% | 1.1% |
| Express Tunnel | 2.1% | 2.2% |
| Hand Wash | 1.5% | 0.6% |
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 Swifty Car Wash compete?
ModWash and Swifty Car Wash compete head-to-head in 1 metropolitan statistical area. In short: If customer-rating consistency is the deciding factor, ModWash is the safer pick; if location convenience matters most, ModWash has more sites to choose from.
About ModWash vs Swifty Car Wash
ModWash vs Swifty Car Wash: which is bigger?
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Which has the higher customer rating, ModWash or Swifty Car Wash?
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Which has the lower damage rate, ModWash or Swifty Car Wash?
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Where do ModWash and Swifty 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 / Swifty 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.