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Transmission and drivetrainPart report

2020 Mazda CX-5 Transmission and drivetrain Problems

Complaints
8about this part
Share
7%of 108 total for the year
Median mileage
96,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the transmission and drivetrain of the 2020 Mazda CX-5, 7% of the 108 complaints for this model year. Where a mileage was given, the median is 96,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Driving about 20 to 35 mph accelerating I would get a distinctive one time chirp noise with a little bit of a stutter It happens every time I go about that speed accelerating. Thankfully my car was under pre-owned warranty but I have to get now. Three transmission flushes I have to pay $400 for and they have to replace a torque converter. I just got the car 10 days ago and only has 61,000 mi on it. Over the long term this could damage the transmission cause more and more issues”

NHTSA complaint #11690627, filed 2025-09

“The issue is iron is depositing in the transmission due to a bad torque converter, this is a known issue with mazda and it doesn't seem to be something they are willing to cover and many people are experiencing this especially with the cx5 models. It causes jerking and chirping noise, plus will eventually ruin the transmission and will cause serious safety issues. Just look into the reddit threads”

NHTSA complaint #11690786, filed 2025-10

“The contact owns a 2020 Mazda CX-5. The contact stated that the vehicle jerked abnormally while depressing the accelerator pedal. There was no warning light illuminated. The vehicle was taken to a dealer where the vehicle was diagnosed with transmission failure. The manufacturer was notified by the dealer about the failure, and the manufacturer agreed to partially cover the cost of the repair. The vehicle was not repaired and remained with the dealer. The failure mileage was approximately 52,000.”

NHTSA complaint #11674985, filed 2025-07, 52,000 miles

“Started smelling burning oil in 2020 Mazda CX-5 non turbo with 34,000 miles. Auto shop states it is a cracked cylinder that will cost over $7,000 to repair. A Google search shows it is a known issue but Mazda has not extended the warranty for non-turbo models.”

NHTSA complaint #11718626, filed 2026-02

“Low oil level indicator came on at roughly 55,000 miles only about 3000 miles after last oil change. Car was immediately stopped and towed to the nearest Mazda dealer. Dealership confirmed oil level was low. Car appears to me consuming excess oil. Oil consumption test pending.”

NHTSA complaint #11574372, filed 2024-02

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
202616%
2025310%
202436%
202334%
202258%
20211711%
202087%
20193212%
20184212%
2017117%
20165110%
20151914%
20145013%
20133820%

Other parts of the 2020 Mazda CX-5

Electrical system
31 complaints
Other or unknown
25 complaints
Engine
17 complaints
Brakes
15 complaints
Forward collision avoidance
12 complaints
Body and structure
6 complaints
Vehicle speed control
6 complaints
Air bags
5 complaints
Back-over prevention (rear camera)
4 complaints
Exterior lighting
4 complaints
Fuel system
4 complaints
Lane departure
4 complaints

← All problems reported for the 2020 Mazda CX-5

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology