"How reliable is the 1998 Jaguar Xj8?"

"Based on 100 NHTSA complaints, the 1998 Jaguar Xj8 has a median complaint mileage of 67850 miles. The most common issue is ENGINE AND ENGINE COOLING."

"What are common problems with the 1998 Jaguar Xj8?"

"The most frequently reported component in NHTSA complaints for the 1998 Jaguar Xj8 is ENGINE AND ENGINE COOLING, accounting for a significant portion of the 100 total complaints filed."

1998 Jaguar Xj8: Reliability Data

Source: NHTSA — 100 complaints

100

Total Complaints

67,850mi

Median Mileage

ENGINE AND ENGINE COOLING

Top Issue

Crash Reports

When Do Complaints Happen?

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

54,000 25th Percentile

67,850 Median Mileage

95,655 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING

VEHICLE SPEED CONTROL

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ENGINE AND ENGINE COOLING:ENGINE

ELECTRICAL SYSTEM

POWER TRAIN:AUTOMATIC TRANSMISSION

POWER TRAIN

SEATS

ENGINE

ELECTRICAL SYSTEM:IGNITION

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"RECALL 98VO22000; CABLE ADJUSTMENT BRACKET NUT ON THE OUTER SLEEVE OF THE THROTTLE CABLE CAN BECOME DISPLACED FROM THE CABLE ADJUSTMENT BRACKET. RECALL REMEDY DID NOT CORRECT THE PROBLEM, PLEASE GIVE ANY FURTHER DETAILS.*AK"

"ENGINE FAILED ON TWO OCCASIONS WHILE DRIVING AT A SPEED OF FIFTY MILES PER HOUR. MJS"

"FUEL DOOR LOCK FAILED. YH"

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