1994 Mercury Grand Marquis: Reliability Data

Source: NHTSA — 197 complaints
197
Total Complaints
98,500mi
Median Mileage
VEHICLE SPEED CONTROL
Top Issue
20
Crash Reports

When Do Complaints Happen?

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

87,250 25th Percentile
98,500 Median Mileage
123,327 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VEHICLE SPEED CONTROL
28
POWER TRAIN:AUTOMATIC TRANSMISSION
14
SEATS
11
AIR BAGS:FRONTAL
10
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
8
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
7
EXTERIOR LIGHTING:HEADLIGHTS:SWITCH
6
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
6
UNKNOWN OR OTHER
5
ENGINE AND ENGINE COOLING:ENGINE
5

Severity Assessment

20
Crashes
20
Fires
18
Injuries
2
Deaths

Sample Complaint Reports

"FRONTAL COLLISION IMPACT 12:00 SPEED 12 MPH AIR BAG DEPLOYED, CAUSING INJURIES TO FACE AND OTHER PARTS OF THE BODY. TT"
"TURN SIGNAL INDICATOR ON DASH FAILED. *SKD"
"DRIVERPUMPED THE BRAKES CONTINUOUSLY BUT BRAKES FAILED TO STOP VEHICLE, RESULTING IN AN ACCIDENT. *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