"How reliable is the 1991 Nissan D21?"

"Based on 35 NHTSA complaints, the 1991 Nissan D21 has a median complaint mileage of 0 miles. The most common issue is SEAT BELTS:FRONT:BUCKLE ASSEMBLY."

"What are common problems with the 1991 Nissan D21?"

"The most frequently reported component in NHTSA complaints for the 1991 Nissan D21 is SEAT BELTS:FRONT:BUCKLE ASSEMBLY, accounting for a significant portion of the 35 total complaints filed."

1991 Nissan D21: Reliability Data

Source: NHTSA — 35 complaints

Total Complaints

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

Top Issue

Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

SEAT BELTS:FRONT:ANCHORAGE

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

POWER TRAIN

VISIBILITY:GLASS, SIDE/REAR

SEAT BELTS

STEERING: STEERING WHEEL/HANDLE BAR

POWER TRAIN:MANUAL TRANSMISSION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"UPON IMPACT, DURING FRONTAL CRASH AT APPROX. 25MPH, DRIVER'S SEAT BELT BUCKLE UNLATCHED WHEN HIT TELEPHONE POLE, POLICE CHECKED BUCKLE 4 TIMES. TT"

"FRONT SEAT BELT ON DRIVERSAND PASSENGERS SIDES BECAME UNLATCHED. TT"

"VEHICLES DRIVER SIDE BELT BUCKLE DISENGAGES WHILE IN USE INTERMITTENTLY WITH NO WARNING.(PE94-083). TT"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28