1996 Mercury Grand Marquis: Reliability Data

Source: NHTSA — 281 complaints
281
Total Complaints
86,000mi
Median Mileage
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Top Issue
10
Crash Reports

When Do Complaints Happen?

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

70,691 25th Percentile
86,000 Median Mileage
102,870 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
34
FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM
16
ENGINE AND ENGINE COOLING:ENGINE
16
ENGINE AND ENGINE COOLING
14
VEHICLE SPEED CONTROL
13
EXTERIOR LIGHTING:HEADLIGHTS
12
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
10
ENGINE AND ENGINE COOLING:COOLING SYSTEM
9
STEERING
8
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
8

Severity Assessment

10
Crashes
24
Fires
17
Injuries
2
Deaths

Sample Complaint Reports

"FUEL INJECTOR LEAKED GASOLINE. *SD"
"STEERING PROBLEMS. *SD"
"INDICATOR LIGHTS ON DASHBOARD CANNOT BE SEEN DURING DAYLIGHT HOURS WITH HEADLIGHTS ON."

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