1999 Porsche Boxster: Reliability Data

Source: NHTSA — 35 complaints
35
Total Complaints
50,000mi
Median Mileage
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

20,000 25th Percentile
50,000 Median Mileage
69,614 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
6
ENGINE AND ENGINE COOLING
4
ENGINE AND ENGINE COOLING:ENGINE
4
AIR BAGS
4
AIR BAGS:FRONTAL
2
ELECTRICAL SYSTEM
2
STRUCTURE:FRAME AND MEMBERS
1
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
1
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
1
VEHICLE SPEED CONTROL:CRUISE CONTROL
1

Severity Assessment

1
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"POTENTIAL FATALITY / SEVERE INJURY - ROLL BAR IS LOCATED TOO FAR FORWARD AND DOES NOT HAVE ADEQUATE PADDING FOR DRIVERS OVER 5' 10" TALL. A RELATIVELY MINOR ACCIDENT CAN EASILY BECOME A FATALITY AS A TALLER DRIVER'S HEAD WILL IMPACT THE ROLL BAR INSTEAD OF THE HEADREST. A RETROFIT PROVIDING ADDITI..."
"WHEN COMING TO A STOP WHILE AIR CINDITIONING IS ON, VEHICLE SHUTTERS. THE DEALER HAS BEEN NOTIFIED. *AK CONSUMER STATES WHENEVER DRIVEN, THE VEHICLE ALMOST STALLS, THE DISTRICT MANAGER STATED THAT ALL OF THE 97-99 BOXTERS HAVE THIS PROBLEM WHICH CAN NOT BE FIXED. *SLC"
"VEHICLE IDLES TOO LOW ON STOP WITH AIR CONDITIONER ON AND CLUTCH IN CAUSING CAR TO SHAKE AND ALMOST STALL. NLM"

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