The 5 Best Car Washes in Great Falls, MT
Part of the Great Falls, MT car wash market.
Data updated · May 22, 2026
Ranked by Google review rating across 11 car washes identified by WashIndex's LLM classifier in Great Falls, MT, with each location requiring at least 30 customer reviews to qualify (so small-sample outliers don't surface).
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Great Falls Auto Detailing
2404 11th Ave S, Great Falls, MT 59405
5.071 reviewsDetail Shop $61K AGI ZIP - 🥈2
Perfect Finish LLC Auto Detailing, Ceramic Coatings, Tint, & PPF
918 20th St S, Great Falls, MT 59405
4.9175 reviewsDetail Shop $61K AGI ZIP - 🥉3
Buff-N-Duff's Showroom Shine
2600 Upper River Rd, Great Falls, MT 59405
4.639 reviewsDetail Shop $61K AGI ZIP - 4
Tidal Wave Auto Spa | Car Wash
3051 10th Ave S, Great Falls, MT 59405
4.5447 reviewsExpress Tunnel Chain · Tidal Wave Auto Spa | Car Wash $61K AGI ZIP - 5
Fast Car Wash
1101 10th Ave S, Great Falls, MT 59405
4.5251 reviewsFull Service Chain · Fast Car Wash $61K AGI ZIP
About Great Falls, MT
What is the best-rated car wash in Great Falls, MT?
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What are the top 5 car washes in Great Falls, MT?
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How is the "best" car wash determined in this list?
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About this ranking
Ranked by Google review rating across LLM-classified car washes in Great Falls, MT. Locations with fewer than 30 reviews are excluded to keep small-sample noise out of the ranking. Ties broken by review count. Dealerships, gas stations, and other auto-related businesses that don't primarily operate a car wash are excluded from the pool at the data-prep stage.
See the full Great Falls, MT car wash market analysis for every car wash in the city, format mix, operator dominance, ZIP/income breakdown, and more — or our full methodology for the underlying data pipeline.