2020 Mazda CX-30 Reliability
The 2020 Mazda CX-30 has 34 owner complaints and 3 recall campaigns on file with NHTSA, most often about unknown or other and service brakes. Compared with nearby CX-30 model years (2020–2022), it rates as a solid year: complaints are in line with the CX-30's typical year, while the 2021 drew 101 complaints.
By CarWhere Research · Updated 2026-11-04 · Source: NHTSA
34
NHTSA owner complaints
3
Recall campaigns
1
Complaints citing a crash
0
Complaints citing a fire
2020 Mazda CX-30 complaints by component
Owner complaints filed with NHTSA for the 2020 model year, filed between 2020 and 2026. A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Unknown or other | 9 | 26% |
| Service brakes | 7 | 21% |
| Engine | 6 | 18% |
| Electrical system | 5 | 15% |
| Fuel / propulsion system | 5 | 15% |
| Powertrain / transmission | 4 | 12% |
| Body structure | 3 | 9% |
| Exterior lighting | 2 | 6% |
2020 Mazda CX-30 recalls
3 recall campaigns on NHTSA record for the 2020 model year, by the date NHTSA received the manufacturer's report. Recall repairs are free at a dealer.
| NHTSA campaign | Date | Component | Summary |
|---|---|---|---|
| 20V346000 | Jun 12, 2020 | Service brakes — foundation components / disc / caliper | Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen. |
| 20V347000 | Jun 12, 2020 | Fuel system — delivery / hoses, lines/piping, and fittings | Mazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank may be disconnected, possibly allowing fuel to leak from the charcoal canister vent at the rear of the… |
| 21V086000 | Feb 18, 2021 | Body structure — body / hatchback/liftgate | 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. |
How the 2020 compares with nearby CX-30 years
Verdicts compare these CX-30 model years with each other.
| Model year | Complaints | Recalls | Most-reported area | Verdict |
|---|---|---|---|---|
| 2020 (this page) | 34 | 3 | Unknown or other | Solid |
| 2021 | 101 | 2 | Engine | Avoid |
| 2022 | 33 | 1 | Engine | Solid |
Complaints are unverified owner reports filed with NHTSA and are not adjusted for how many of each year were sold, so they compare years of the same model rather than different models.
The 2020 Mazda CX-30 on the used market
- Median asking price $18,999 at a median 67,993 miles, across 215 live US dealer listings in CarWhere's depreciation study.
What to check on a used 2020 Mazda CX-30
- Brakes: check pedal feel, pulling and grinding, and look at rotor and pad wear; ask when the brake fluid was last changed.
- Engine: cold-start it yourself, listen for ticking or knocking, check for oil leaks and oil consumption, and ask for oil-change records.
- Electrical: test every light, window, lock, the infotainment screen and the charging system; scan for stored fault codes.
- Fuel system: smell for fuel around the car, watch for hesitation or stalling, and check for a lit check-engine light.
- Recalls: confirm each of the 3 campaigns above was completed on this VIN; open recalls are repaired free at a dealer.
- History: run the VIN for salvage, theft and odometer records, and have an independent mechanic inspect the car before you pay.
Check this exact car
Any 2020 Mazda CX-30 can be better or worse than its model year. The CarWhere Used Car Report checks one VIN for salvage records, salvage-auction records (with damage photos when the auction published them), stolen-vehicle records, the odometer trail and its listing and price history since 2015. Free preview first; the full report is $12.99, one time.
2020 Mazda CX-30 reliability FAQ
Is the 2020 Mazda CX-30 reliable?
The 2020 Mazda CX-30 has 34 owner complaints and 3 recall campaigns on file with NHTSA, most often about unknown or other and service brakes. Compared with nearby CX-30 model years (2020–2022), it rates as a solid year: complaints are in line with the CX-30's typical year, while the 2021 drew 101 complaints.
What are the most common 2020 Mazda CX-30 problems?
The most-reported problem areas in NHTSA owner complaints for the 2020 Mazda CX-30 are unknown or other (9), service brakes (7), engine (6), electrical system (5). One complaint can name more than one component.
Does the 2020 Mazda CX-30 have recalls?
NHTSA lists 3 recall campaigns for the 2020 Mazda CX-30, including 20V346000 (service brakes — foundation components / disc / caliper) and 20V347000 (fuel system — delivery / hoses, lines/piping, and fittings). Recall repairs are free at a dealer, and whether one was done is tracked by VIN.
How does the 2020 Mazda CX-30 compare with the 2019 and 2021 models?
By NHTSA records, the 2021 has 101 complaints and 2 recalls (avoid). The 2020 has 34 complaints and 3 recalls.
How do I check a specific used 2020 Mazda CX-30?
Run its VIN. The CarWhere Used Car Report checks one VIN for salvage records, salvage-auction records (with damage photos when the auction published them), stolen-vehicle records, the odometer trail and its listing and price history since 2015, with a free preview first and the full report at $12.99, one time. Pair it with an independent pre-purchase inspection.
More Mazda CX-30 research
Other Mazda CX-30 model years:
Sources: NHTSA Office of Defects Investigation owner complaints (all body-style listings for the 2020 CX-30, de-duplicated by complaint number) and NHTSA recall campaigns, retrieved 2026-11-04.