We are now under NEW management!!!  There will be lots of changes over the coming weeks, so come WATCH US CHANGE!!. 

Located at 607 Amherst St, Nashua, NH - Superior Auto Spa is the SUPERIOR car wash and detailing facility.

Please stop in or call to ask about our new promotions and discounts


  • FREE VIP Plan (Weekly Discounts/8th Wash Free)

Bring your dog along for the ride and try our self-serve Dog Wash

Open 7am to 7pm Monday-Saturday

7am to 6pm Sunday (may be closed due to inclement weather)

Our Touchless Bays are always open.  Prices start as low as $6!

The Soft Cloth Tunnel Wash, Prices start as low as $7!

*We now hand towel dry every vehicle!*

If you'd like to take advantage of our Professional Detailing services, please contact us to make an appointment.


Touchless Bays Tunnel Wash Doggy Wash