Skip to main content
U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2021 Mazda CX-30 Premium

2021 Mazda CX-30View this vehicle at sierra subaru of monrovia →

Vehicle Details

VIN3MVDMADL7MM255780
TrimPremium
Exterior ColorGray
DrivetrainFWD
Engine2.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
Days on Lot11

Premium

Unscored
$22,92831,104 mi

Monrovia, CA 91016

Is this 2021 Mazda CX-30 Premium a good deal?

OAV verdict: Unscored

Why: Listed at $22,928. OAV found only 7 comparable listings — too few for a reliable market range or verdict. Listed 11 days.

Market price position

OAV has not assigned a reliable market verdict to this listing yet — the available comparable evidence isn't sufficient to score it.

Sierra Subaru Of Monrovia

Monrovia, CA

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from sierra subaru of monrovia

Request availability and out-the-door price

OAV will route your inquiry to Sierra Subaru Of Monrovia for current availability of this 2021 Mazda CX-30 Premium and an out-the-door price quote (taxes, fees, addons included).

By submitting, you agree that OAV may share your email, ZIP, and message with Sierra Subaru Of Monrovia so the dealer can respond to your request. See our Privacy Policy and Notice at Collection.

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 Mazda CX-30

Listing updated: Sep 4, 2026

Listed by a franchise dealer in Monrovia, CA · On lot for 11 days · VIN verifiable at NHTSA

This used 2021 Mazda CX-30 Premium is listed at $22,928 by sierra subaru of monrovia in Monrovia, CA 91016. It has 31,104 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is Gray. It features a FWD drivetrain with a 2.5L I4 engine and Automatic transmission.

OAV's independent, evidence-backed Price-to-Market analysis rates this vehicle as Unscored — the available evidence doesn't support a market verdict. OAV has not assigned a reliable comparable market range for this vehicle yet — the available comparable evidence isn't sufficient for a reliable verdict.

This vehicle has been on the lot for 11 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477). Verdict methodology ptm-verdict-v1 · snapshot Sep 4, 2026. The patented comparable band is the input; ptm-verdict-v1 is the versioned OAV rule set that turns it into this verdict.

Market context

This listing is part of OAV's broader Monrovia, CA suvs market analysis. OAV compares vehicles by local and regional price-to-market ranges and comparable count; days-on-lot and demand signals are shown separately, not as verdict inputs.

How this deal is rated

OAV compares this 2021 Mazda CX-30 against similar vehicles currently available for sale — same make, model, and year range, using trim where trim data supports it. OAV does not adjust comparables for odometer; on very high-mileage vehicles it withholds a verdict rather than overstate a discount the odometer explains. Based on where this listing falls in that comparable set, it is rated:

  • Great Deal — priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin is Fair Price.
  • Fair Price — priced within the expected range for comparable vehicles.
  • Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners can surface additional verification signals, but commercial participation never changes a listing's Price-to-Market verdict, eligibility, ranking, or confidence.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Monrovia, CA, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3MVDMADL7MM255780 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles.

2021 Mazda CX-30 Market in CA

CA Market Listings

202

Average Price

Price Range

Avg Days on Lot

53

Based on all 202 2019-2023 Mazda CX-30 listings in the CA market. Because OAV has not assigned a reliable price verdict to this listing, it does not state how it compares to this broader average. Similar vehicles spend an average of 53 days on dealer lots in this market.

Similar Mazda CX-30 Listings in CA

8 similar listings shown (closest matches within ±2 model years) and ±30,000 miles (subject trim: Premium — compare trims below)

This is a broad, statewide same-model set (any trim, mileage, or title) — not the qualified comparable cohort behind the verdict above; lower prices here typically reflect a different trim, higher mileage, or a branded title.