YearToAvoid

2021 Mazda CX-5 Transmission & Powertrain Problems

NHTSA lists 17 Transmission & Powertrain complaints for the 2021 Mazda CX-5, about 12% of its 146 total complaints. There are no related recalls, and no crashes, fires, or injuries were reported in this area.

Transmission & Powertrain complaints
17
12% of 146
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
—
Related recalls
0

Typical transmission symptoms owners report

  • Owners report excessive oil consumption in the 2.5T engine, sometimes losing about a quart every 4,000 miles with no visible external leaks.
  • Multiple owners describe the low oil level warning light triggering repeatedly between scheduled oil changes, in some cases at 7,000 and again around 12,000 miles.
  • Some drivers report rough or jumpy low-speed driving under 30 mph, described as feeling like the transmission cannot settle into a gear.
  • One owner reported a rear differential failure and replacement at 24,000 miles that was confirmed by a dealership technician.
  • A separate complaint describes vibration and stutter tied to cylinder deactivation activating, similar to issues reported on other Mazda model years.

When 2021 Mazda CX-5 transmission complaints were filed

First complaint May 17, 2021, latest Sep 23, 2026.

2021 Mazda CX-5 transmission & powertrain complaints: complaints filed per month2May 2021Feb 2022Sep 2022Jan 2023Jun 2023May 2024Nov 2024Sep 2026
17 complaints filed with NHTSA from May 2021 to Sep 2026; peak Sep 2022 (2).

Transmission & Powertrain recalls for the 2021 Mazda CX-5

No safety recalls on record for this model year.

Transmission & Powertrain complaints by CX-5 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 20120 (0%)
  2. 201338 (20%)
  3. 201450 (13%)
  4. 201519 (14%)
  5. 201651 (10%)
  6. 201711 (7%)
  7. 201841 (12%)
  8. 201932 (12%)
  9. 20208 (8%)
  10. 202117 (12%)
  11. 20225 (8%)
  12. 20233 (5%)
  13. 20243 (7%)
  14. 20253 (11%)

Frequently asked questions

How many transmission and powertrain complaints does the 2021 Mazda CX-5 have?
NHTSA lists 17 Transmission & Powertrain complaints for the 2021 Mazda CX-5, which is about 12% of all 146 complaints filed for that year.
Is there a transmission recall for the 2021 Mazda CX-5?
No. NHTSA shows no related recalls tied to this problem area for the 2021 Mazda CX-5.
What powertrain problems do owners report on the 2021 CX-5?
Owners describe excessive oil consumption, recurring low oil level warnings between changes, rough low-speed driving, and in one case a rear differential replacement at 24,000 miles.
Did any 2021 CX-5 powertrain complaints involve crashes or injuries?
No. NHTSA data shows zero crashes, fires, and injuries linked to Transmission & Powertrain complaints for the 2021 CX-5.
How does the 2021 CX-5 compare to other CX-5 years for this problem area?
The 2021 CX-5's share of 12% is similar to 2018 and 2019 (both 12%) and lower than 2013's 20%, based on NHTSA complaint data across model years.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.