Reliable Auto DB

2020 Mazda CX-30 reliability

Is it reliable?

Owners have filed 33 complaints with NHTSA about the 2020 Mazda CX-30 over 7 years — 5 per year. That is the fewest complaints per year among the 5 CX-30 years on this site. NHTSA has 3 recalls on file, including Liftgate, Caliper, and Hoses and fittings.

2020 Mazda CX-30
Photo by EurovisionNim, resized from the original. Wikimedia Commons CC BY-SA 4.0
Complaints

33

Per year

5

Recalls

3

Years on the road

7

What owners report

The complaints owners file most often name Service brakes (7 of 33), then Electrical system (5) and Engine (5). Those filings include 1 that reports a crash.

Next to 2021

The 2021 CX-30 has 101 complaints, 23 per year. The 2020 has fewer complaints per year than the 2021.

The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2020 Mazda CX-30. How we count. Data as of .

Recalls (3)

Recall structure, body, liftgate 2021-02-18 · NHTSA campaign 21V086000
Summary 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.
Remedy 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 4. Mazda's number for this recall is 4621B.
Recall hydraulic brakes, foundation components, disc, caliper 2020-06-12 · NHTSA campaign 20V346000
Summary 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.
Remedy Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
Recall gasoline fuel system, delivery, hoses and fittings 2020-06-12 · NHTSA campaign 20V347000
Summary 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 vehicle.
Remedy Mazda will notify owners, and dealers will inspect the evaporative vent hose in the fuel tank. If the hose is disconnected, it will be reconnected and the charcoal canister with some related parts will be replaced. Repairs will be performed free of charge. The recall began July 29, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4520F.

Complaints by component (33 total)

Service brakes
7
Electrical system
5
Engine
5
Fuel and propulsion system
5
Powertrain
4
Structure
3
Exterior lighting
2
Forward collision avoidance
2
Seat belts
2
Suspension
2
Steering
1
Visibility and wipers
1
Wheels
1
Show 5 more Show less
Crash-flagged

1

Fire-flagged

0

Injury reports

0

Death reports

0

Complaints filed per year

82020220214202232023820245202532026
Excerpts from recent NHTSA complaint filings
  • "My car was squeaking and lurching around 3/4 gear. I took it in to the Mazda dealership (Northtowne Mazda in Kansas City) and they told me it was a "well-known issue" with this year and make of a Mazda. There is a…"
    Powertrain · filed 2026-09-03
  • "The front passenger side headlight is making a whirring noise whenever the light is turned on. Based on the NHTSA safety reports for this model, this indicates the fan is failing, and soon the headlight will also fail.…"
    Exterior lighting · filed 2026-07-18
  • "My 2020 Mazda CX-30 has an intermittent no-start condition caused by a complete electrical failure. This occurs randomly, often overnight and after long or short trips. When it happens: The car does not respond to the…"
    Electrical system · filed 2026-01-10
  • "The front camera didn't operate properly The brakes have an elongated stopping distance"
    Exterior lighting, Service brakes, Fuel and propulsion system · filed 2025-11-30
  • "There is a module that should connect to the hatch door to open. That module in no longer available. Without the hatch door opening, in case of side impact and being pushed into something else, there is no way to get…"
    Structure · filed 2025-11-18

NHTSA crash ratings

Version Overall Front Side Rollover
2020 Mazda CX-30 SUV AWD 5 stars 5 stars 5 stars 4 stars
2020 Mazda CX-30 SUV FWD 5 stars 5 stars 5 stars 4 stars

Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.

Fuel economy

Trim Engine Transmission Drive City Hwy Combined Annual fuel cost
CX-30 two-wheel drive 2.5L, 4-cyl Automatic (6-speed) Front-wheel drive 25 33 28 MPG $2300
CX-30 two-wheel drive 2.5L, 4-cyl Automatic (6-speed) Front-wheel drive 25 33 28 MPG $2300
CX-30 four-wheel drive 2.5L, 4-cyl Automatic (6-speed) Four-wheel drive 25 32 27 MPG $2400
CX-30 four-wheel drive 2.5L, 4-cyl Automatic (6-speed) Four-wheel drive 24 31 26 MPG $2500

Specs and fitment

1st generation (DM), 2020–present
Body styles SUV
Oil SAE 0W-20 (gasoline SKYACTIV-G 2.5; 5W-30 where manual specifies) , 4.8 qt capacity
Tire size 215/55R18

Known issues for this generation

NHTSA safety recall 24V649000 covers affected vehicles after the agency found that mazda North American Operations (Mazda) is recalling certain 2024 Mazda 3, CX-30, and 2025 CX-50 vehicles. A malfunction in the forward sensing camera (FSC) may prevent the automatic emergency braking system and the lane-keep assist system from functioning. In addition, the headlights will not automatically adjust from high beams to low beams as intended. Automatic braking, steering assist, and headlight control systems that do not function as intended can increase the risk of a crash. Remedy: Dealers will inspect and replace the forward sensing camera as necessary, free of charge. Owner notification letters were mailed September 24, 2024. Owners may contact Mazda customer service at 1-800-222-5500, Option 6. Mazda's number for this recall is 6824H.

Compare

Next year 2021 Mazda CX-30 See every Mazda CX-30 model year →

Frequently asked questions

Is the 2020 Mazda CX-30 reliable?

Owners have filed 33 complaints with NHTSA about the 2020 Mazda CX-30 over 7 years — 5 per year. That is the fewest complaints per year among the 5 CX-30 years on this site. NHTSA has 3 recalls on file, including Liftgate, Caliper, and Hoses and fittings.

What are common problems with a 2020 Mazda CX-30?

The complaints owners file most often name Service brakes (7 of 33), then Electrical system (5) and Engine (5). Those filings include 1 that reports a crash.

Is the 2020 Mazda CX-30 more reliable than the years next to it?

The 2021 CX-30 has 101 complaints, 23 per year. The 2020 has fewer complaints per year than the 2021.

Has the 2020 Mazda CX-30 been recalled?

The 2020 Mazda CX-30 has 3 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.

How many complaints have owners filed about the 2020 Mazda CX-30?

Owners have filed 33 complaints about the 2020 Mazda CX-30 with NHTSA.

What mpg does a 2020 Mazda CX-30 get?

EPA-rated combined fuel economy for the 2020 Mazda CX-30 is 27.3 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.

What oil does a Mazda CX-30 take?

Gasoline SKYACTIV-G 2.5 US models commonly use SAE 0W-20 (about 4.8 qt with filter); use 5W-30 where the manual specifies.

Does NHTSA recall 24V649000 cover the Mazda CX-30?

It covers certain 2024 CX-30 vehicles (with certain Mazda3 and 2025 CX-50 also listed) for a malfunction described in the campaign; dealers apply the published remedy.

What generation is the Mazda CX-30?

1st generation, model year 2020 onward in the US.