How common are engine problems in the 2021 Mazda CX-30?

NHTSA lists 55 engine complaints for the 2021 CX-30, which is 54% of the 101 total complaints filed for that model year, the highest engine share among the 2020-2025 model years shown.

Is there a recall for the 2021 Mazda CX-30 engine oil consumption issue?

No related recalls are listed in NHTSA data for this engine problem area on the 2021 CX-30.

At what mileage do engine problems typically show up on the 2021 CX-30?

The median mileage at failure for engine complaints on the 2021 CX-30 is 30,590 miles, though some owners reported low oil warnings within the first few thousand miles.

Have engine problems led to crashes or injuries on the 2021 CX-30?

NHTSA records 3 crashes and 2 injuries tied to engine complaints on the 2021 CX-30, with 0 fires reported.

2021 Mazda CX-30 Engine Problems

Engine complaints account for 55 of 101 total complaints (54%) filed on the 2021 Mazda CX-30, the highest share of any model year in this range. Owners most often report excessive oil consumption and low oil warnings, with a median failure mileage of 30,590 miles. No related recalls are listed for this issue.

Engine complaints: 55; 54% of 101
Crashes reported: 3
Fires reported: 0
Injuries reported: 2
Median mileage: 30,590 mi
Related recalls: 0

Typical engine symptoms owners report

Low engine oil warning lights illuminate repeatedly, often within the first several thousand miles, with dipstick checks showing no oil despite no visible leaks.
Owners report the 2.5-liter turbocharged engine burning through a quart or more of oil between scheduled oil changes.
Some owners describe unintended acceleration while parking or driving at low speed, in at least one case resulting in a crash and injuries.
A subset of vehicles failed to start with multiple unknown warning lights on the instrument panel, requiring towing to a dealer.
Dealers reportedly acknowledged oil consumption as a known issue but told owners no recall existed at the time of complaint.

When 2021 Mazda CX-30 engine complaints were filed

First complaint Oct 28, 2021, latest Jul 5, 2026.

55 complaints filed with NHTSA from Oct 2021 to Jul 2026; peak Aug 2022 (6).

Engine recalls for the 2021 Mazda CX-30

No safety recalls on record for this model year.

Engine complaints by CX-30 model year

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

20205 (15%)
202155 (54%)
202210 (30%)
20234 (17%)
20241 (3%)
20254 (15%)

Frequently asked questions

How common are engine problems in the 2021 Mazda CX-30?: NHTSA lists 55 engine complaints for the 2021 CX-30, which is 54% of the 101 total complaints filed for that model year, the highest engine share among the 2020-2025 model years shown.
Is there a recall for the 2021 Mazda CX-30 engine oil consumption issue?: No related recalls are listed in NHTSA data for this engine problem area on the 2021 CX-30.
At what mileage do engine problems typically show up on the 2021 CX-30?: The median mileage at failure for engine complaints on the 2021 CX-30 is 30,590 miles, though some owners reported low oil warnings within the first few thousand miles.
Have engine problems led to crashes or injuries on the 2021 CX-30?: NHTSA records 3 crashes and 2 injuries tied to engine complaints on the 2021 CX-30, with 0 fires reported.