2021 Mazda CX-30
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2021 Mazda CX-30 is worth — from official NHTSA and EPA data. 3 on record.
2021 Mazda CX-30 at a glance
Free: that car's specs and build sheet, model-year recall campaigns and a fair price.
2021 Mazda CX-30 recalls 2
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
Fix: Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B.
Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is parked facing uphill on a slope.
Fix: Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge. The recall began April 8, 2021. Owners may contact Mazda customer service at 1-800-222-5500 option …
Source: U.S. NHTSA, checked 7 Oct 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2021 Mazda CX-30 common problems
The most-reported problem areas across all 101 owner complaints filed with NHTSA — and what to check before you buy.
2021 Mazda CX-30 MPG & running costs
Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 5 versions of this model year; combined is shown as a range and the other figures are averages.
Estimated 5-year cost to own
A rough guide to what running a 2021 Mazda CX-30 costs over five years and 75,000 miles.
How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.
2021 Mazda CX-30 trims & engines on record
2021 Mazda CX-30 vehicles on record
Other Mazda CX-30 model years
2021 Mazda CX-30 — frequently asked questions
Does the 2021 Mazda CX-30 have any safety recalls?
NHTSA lists 2 recall campaigns for the 2021 Mazda CX-30. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are free.
What are the most common problems with the 2021 Mazda CX-30?
Across all 101 owner complaints filed with NHTSA, the most-reported problem areas are engine, electrical system, forward collision avoidance.
What gas mileage does the 2021 Mazda CX-30 get?
The 2021 Mazda CX-30 has U.S. EPA estimates of 25–28 mpg combined, depending on engine and trim (5 versions).
Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.