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EnginePart report

2021 Nissan Sentra Engine Problems

Complaints
7about this part
Share
5%of 133 total for the year
Median mileage
75,094miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the engine of the 2021 Nissan Sentra, 5% of the 133 complaints for this model year. Where a mileage was given, the median is 75,094 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.

“My engine has been having problems since I have bought it. I’ve stated it many of times to the dealership and they just blew it off saying there was nothing wrong. To find out there’s a slude in my engine.”

NHTSA complaint #11578062, filed 2024-03

“I am writing to file a formal complaint against Koeppel Nissan regarding their refusal to service my vehicle for a factory safety recall (tie rod replacement) and additional services upon request such as; clogged drain(water inside car doors), wheel alignment, evaporator core leakage( water on back seat floor), tire rotation, water in spare wheel well & front door check strap repair. I believe it is imperative to bring this matter to your attention, as it poses a significant risk to public safety and may be in violation of the applicable regulations and guidelines. …”

NHTSA complaint #11545214, filed 2023-09

“While driving down the highway along with other traffic the car went into limp mode and lost power instantly almost causing an accident. Come to find out the engine bearings caused the engine to go on it without any warning signs. This car has been maintenanced and taken care of and had the same issue happen that the other nissans have had that they have the recall out for.”

NHTSA complaint #11699960, filed 2025-11

“The contact owns a 2021 Nissan Sentra. The contact stated that while the vehicle was parked, his aunt entered the vehicle and attempted to start the vehicle; however, the vehicle failed to respond as needed. Neither a dealer nor an independent mechanic was contacted or made aware of the failure. The vehicle was not taken to be diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 75,094.”

NHTSA complaint #11638343, filed 2025-01, 75,094 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2026211%
2025413%
202437%
2023315%
202279%
202175%
202094%
2019209%
20182212%
20174821%
20164818%
20156920%
20146216%
20138714%
20123922%
20113021%
20103524%
200947%
2008159%
2007117%
20061916%
20053319%
20042613%
20032413%
2002279%
2001167%
200053%
199923%
199711%
199212%

Other parts of the 2021 Nissan Sentra

Forward collision avoidance
40 complaints
Steering
40 complaints
Electrical system
38 complaints
Brakes
25 complaints
Other or unknown
19 complaints
Exterior lighting
6 complaints
Suspension
6 complaints
Vehicle speed control
6 complaints
Wheels
5 complaints
Transmission and drivetrain
4 complaints
Back-over prevention (rear camera)
3 complaints
Lane departure
3 complaints

← All problems reported for the 2021 Nissan Sentra

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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