A high number of prior owners on a low-mileage NC is normal — roadsters make poor 'only cars' and get sold on quickly — and not itself a red flag. Buyers should instead scrutinize sparse service records and check tire date codes, since original tires on stored cars are often a decade old and past safe service life despite low tread wear.
Buying an NC: many owners, service gaps, aging tires
Mazda MX-5 Miata (NC) · buying