1999 Ford Mustang GT problems
Verdict · NHTSA data
A typical year for this model
The 1999 Ford Mustang GT sits mid-pack among Mustang GT years: 41 NHTSA complaints against a model median of roughly 59, with no recalls and one closed investigation.
The trouble concentrates in one system: engine issues account for 59% of all reports (24 of 41), far ahead of speed control at 4.
41
NHTSA complaints
0
Recalls
1
Investigations
3
Crash-involved
0
Fires reported
5
Injuries
0
Deaths
—
NCAP overall
How does 1999 compare to other Mustang GT years?
What are the most common 1999 Ford Mustang GT problems?
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Engine | 24 | 59% | ▼ down |
| Speed Control | 4 | 10% | ▲ up |
| Seat Belts | 2 | 5% | — flat |
| Seats | 2 | 5% | new |
| Airbags | 2 | 5% | new |
| Electrical System | 2 | 5% | ▲ up |
| Transmission | 2 | 5% | — flat |
| Tires & Wheels | 1 | 2% | — flat |
| Visibility & Wipers | 1 | 2% | — flat |
| Suspension | 1 | 2% | — flat |
Consumer complaints filed with NHTSA
Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.
“TL*THE CONTACT OWNS A 1999 FORD MUSTANG GT. THE CONTACT DETECTED A FAINT BURNING SMELL WHILE DRIVING THE VEHICLE. ONCE THE VEHICLE STOPPED, THE SMELL INTENSIFIED. THE CONTACT DISCOVERED THAT THE MANIFOLD WAS LEAKING COOLANT. THE DEALER WAS NOTIFIED AND THE CONTACT IS AWAITING A RESPONSE. THE…”
“COMPUTER CONTROLLED IDLE DEFECTIVE, IDLE SURGES UNPREDICTABLY. OCCURS MOSTLY WHEN STOPPED. IDLE FLUCTUATES BETWEEN 500 AND 1000. SOMETIMES WILL STALL AND OTHER TIMES WILL LURCH FORWARD AGAINST THE BRAKES. IF A/C IS TURNED ON, THE CONDITION IS WORSE. CAR HAS BEEN RETURNED TO DEALER AND THEY "CAN'T"…”
“THERE WAS A SERIOUS MALFUNCTION IN THE DRIVERS SEAT ON MY 1999 FORD MUSTANG GT THAT COULD HAVE EASILY CAUSED AN ACCIDENT. I WAS DRIVING DOWN THE HIGHWAY IN LAS VEGAS RETURNING FROM WORK WHEN WITHOUT ANY WARNING, THE MECHANISM THAT HOLDS THE SEAT BACK UP FAILED AND THE SEAT BACK FAIL BACK ON THE…”
“BATTERY WAS CHARGING BECAUSE AMP WAS DRAINING THE BATTERY. VEHICLE WOULD HAVE TO BE JUMPED. DEALER REPLACED AMP, AND THEY SAID IT WAS A DESIGN FLAW. VEHICLE WOULD GET STUCK IN REVERSE. PROBLEM WAS INTERMITTENT. MANAGEMENT A DEALERSHIP SAID IT WILL HAPPEN TIME TO TIME.*AK ”
“THE FRONT SEAT BELTS MALFUNCTIONED, THEY WILL EITHER NOT RELEASE FROM HOLSTER, OR WHEN RELEASED WILL NOT RETRACT BACK INTO THE HOLSTER WITHOUT EXCESSIVE FORCE BEING APPLIED. THIS CAUSED THE BELTS TO FRAY AT THE EDGES. DEALERSHIP WILL NOT PROVIDE ANY REMEDY OR CAUSE FOR THIS PROBLEM.*AK SEAT BELTS…”
1999 Ford Mustang GT — common questions
Is the 1999 Ford Mustang GT reliable?
Its record is better than the model's norm: 41 NHTSA complaints, below the typical Mustang GT year, with 0 recalls and no open investigations.
What are the most common 1999 Mustang GT problems?
According to NHTSA complaint data, the leading problem areas are engine (24 complaints), speed control (4 complaints), electrical system (2 complaints).
Does the 1999 Ford Mustang GT have recalls?
No. NHTSA lists no recall campaigns for the 1999 Ford Mustang GT.
Is the 1999 Ford Mustang GT under NHTSA investigation?
NHTSA opened one investigation into this model year; all are now closed.
Which Ford Mustang GT years should you avoid?
Based on complaint rates and open investigations, the Mustang GT years to avoid are 2005, 2006. The cleanest record among Mustang GT years belongs to 2004.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.