"How reliable is the 2004 Keystone Cougar?"

"Based on 28 NHTSA complaints, the 2004 Keystone Cougar has a median complaint mileage of 4500 miles. The most common issue is TIRES."

"What are common problems with the 2004 Keystone Cougar?"

"The most frequently reported component in NHTSA complaints for the 2004 Keystone Cougar is TIRES, accounting for a significant portion of the 28 total complaints filed."

2004 Keystone Cougar: Reliability Data

Source: NHTSA — 28 complaints

Total Complaints

4,500mi

Median Mileage

TIRES

Top Issue

Crash Reports

When Do Complaints Happen?

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

770 25th Percentile

4,500 Median Mileage

7,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

TIRES

EQUIPMENT:RECREATIONAL VEHICLE/TRAILER

TIRES:TREAD/BELT

TIRES:VALVE

TIRES:SIDEWALL

ELECTRICAL SYSTEM:WIRING

STRUCTURE

SUSPENSION

EQUIPMENT

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"COMPLAINT RECEIVED VIA E-MAIL. THE TRAILER TIRE VALVE STEMS ARE WEAK AT THE BASE OF THE STEM. THE FIRST VALVE WENT BAD WHILE THE CONSUMER WAS TRAVELING DOWN THE ROAD, LUCKILY HE FOUND IT BEFORE IT WENT TOTALLY FLAT. THE SECOND VALVE STEM WENT BAD WHILE THE TRAILER WAS IN THE DRIVEWAY. THE THIRD VALV..."

"THE OUTER TREAD OF THE RIGHT REAR TIRE CAME LOOSE FROM THE TIRE AND CAUSED DAMAGE TO THE WHEEL WELL AND OUTER SKIN OF THE TRAILER. *NM *JB"

"THE ELECTRIC GLIDE OUT MECHANISM WAS LOCATED ON THE OUTSIDE OF THE FRAME. THIS TAKES THE CLEARANCE FROM THE TIRES WHEN THE FIFTH WHEEL IS TURNING. THE TIRE RUBBED AGAINST THE MECHANISM AND CAUSED THEM TO WEAR PREMATURELY, WHICH COULD RESULT IN A BLOW OUT. ALSO, NO CHAINS CAN BE PUT ON TIRES BEC..."

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