Cobblestone Car Wash vs Super Star Car Wash
Data updated · May 24, 2026
Super Star Car Wash is larger (118 vs 114 locations); Super Star Car Wash is rated higher (4.61★ vs 4.09★); Super Star Car Wash has the lower reviewer-reported damage rate (1.74% vs 5.52%).
Cobblestone Car Wash and Super Star Car Wash compete at the same scale: national-tier US operators. Super Star Car Wash edges ahead on review-weighted rating (4.61★ vs 4.09★, a meaningful gap). On reviewer-reported damage, Super Star Car Wash runs lower at 1.74% vs 5.52% — a meaningful operating-quality gap. The dataset-wide average across all car wash chains is roughly 1–3%.
| Metric | Cobblestone Car Wash cobblestone.com | Super Star Car Wash superstarcarwashaz.com |
|---|---|---|
| Locations | 114 4 states | 118 5 states |
| Reviews | 50,560 13,510 LLM-scored | 153,804 72,655 LLM-scored |
| Avg rating | 4.09 | 4.61 |
| Damage rate (lower better) | 5.52% | 1.74% |
| Membership cancellation friction (of mem-discussing reviews) | 21.9% | 10.4% |
| Dominant format | Express Tunnel | Express Tunnel |
Cobblestone Car Wash operates 114 locations across 4 states (28.5 sites per state on average). Super Star Car Wash operates 118 locations across 5 states (23.6 per state). Total customer signal is 50,560 Google reviews for Cobblestone Car Wash (13,510 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 | Cobblestone Car Wash | Super Star Car Wash | Winner |
|---|---|---|---|
| Wash Quality | +0.14 | +0.66 | Super Star Car Wash |
| Staff & Customer Service | +0.51 | +0.88 | Super Star Car Wash |
| Wait Time | +0.12 | +0.54 | Super Star Car Wash |
| Per-Wash Price | -0.39 | +0.27 | Super Star Car Wash |
| Equipment Working | -0.54 | -0.36 | Super Star Car Wash |
| Facility Cleanliness | +0.58 | +0.70 | Super Star Car Wash |
| Membership Value | -0.31 | +0.15 | Super Star Car Wash |
Cobblestone Car Wash's strongest aspect in customer reviews is Facility Cleanliness (+0.58); the weakest is Equipment Working (-0.54). Super Star Car Wash's strongest is Staff & Customer Service (+0.88); the weakest is Equipment Working (-0.36). Super Star Car Wash comes out ahead on Wash Quality, Staff & Customer Service, Wait Time, Per-Wash Price, Equipment Working, Facility Cleanliness, Membership Value; Cobblestone 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 21.9% 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 | Cobblestone Car Wash | Super Star Car Wash |
|---|---|---|
| Express Tunnel | 7.2% | 3.0% |
| Full Service | 5.0% | 1.2% |
| Detail Shop | 2.6% | 0.7% |
| Self-Serve Bay | 1.6% | 0.8% |
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.
Format-mix-wise, Cobblestone Car Wash and Super Star Car Wash are matched: both lean Express Tunnel. The differentiator isn't what they do, it's how they do it.
Where do Cobblestone Car Wash and Super Star Car Wash compete?
These two chains overlap in 2 US metros — material head-to-head competition for customers choosing between them. In short: If customer-rating consistency is the deciding factor, Super Star Car Wash is the safer pick; if avoiding vehicle damage is the priority, Super Star Car Wash runs the lower reviewer-reported damage rate.
About Cobblestone Car Wash vs Super Star Car Wash
Cobblestone Car Wash vs Super Star Car Wash: which is bigger?
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Which has the higher customer rating, Cobblestone Car Wash or Super Star Car Wash?
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Which has the lower damage rate, Cobblestone Car Wash or Super Star Car Wash?
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Where do Cobblestone Car Wash and Super Star 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 — Cobblestone Car Wash / 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.