"How reliable is the 1999 Lincoln Navigator?"

"Based on 155 NHTSA complaints, the 1999 Lincoln Navigator has a median complaint mileage of 86000 miles. The most common issue is TIRES:TREAD/BELT."

"What are common problems with the 1999 Lincoln Navigator?"

"The most frequently reported component in NHTSA complaints for the 1999 Lincoln Navigator is TIRES:TREAD/BELT, accounting for a significant portion of the 155 total complaints filed."

1999 Lincoln Navigator: Reliability Data

Source: NHTSA — 155 complaints

155

Total Complaints

86,000mi

Median Mileage

TIRES:TREAD/BELT

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

64,641 25th Percentile

86,000 Median Mileage

133,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

TIRES:TREAD/BELT

TIRES

ELECTRICAL SYSTEM

ENGINE AND ENGINE COOLING

WHEELS:LUGS/NUTS/BOLTS/STUDS

ENGINE AND ENGINE COOLING:ENGINE

VISIBILITY:WINDSHIELD WIPER/WASHER

WHEELS

POWER TRAIN:AUTOMATIC TRANSMISSION

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"ON JANUARY 11, 1999 MY HUSBAND AND MYSELF HAD PULLED OFF THE LOT OF THE DEALERSHIP WHEN WE CAME TO THE RED LIGHT ABOUT 100 FEET AWAY FROM THE DEALERSHIP . WHEN THE LIGHT TURNED GREEN AND WE PROCEED THRU THE LIGHT THE LEFT REAR SIDE OF THE VEHICLE WENT BOMB AND THE TIRE ROLLED DOWN THE STREET BESI..."

"LEFT REAR DRIVER'S SIDE LUGS: NUTS CAME OFF, TIRE WENT ROLLING. DEALER CONTACTED, AND REPAIRED BY INSTALLING ANTI-LOCK NUTS ON EACH WHEEL. INCIDENT OCCURRED AGAIN. DEALER CONTACTED SECOND TIME AND REFUSED SERVICE TO REMEDY THE PROBLEM. PROBLEM STILL EXISTS. PROVIDE FURTHER INFORMATION. *AK"

"THE REAR LEFT WHEEL HAD SEPARATED FROM VEHICLE WHILE DRIVING 35MPH. THERE WAS NO WARNING. THIS WOULD HAPPEN. HAD HEARD A CLICKING NOISE & NOTICED THE TIRE ROLLING PASSED. MECHANIC WAS SENT TO PICK UP VEHICLE & THE TIRE. *AK"

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