2004 Toyota Prius engine problems
The 2004 Toyota Prius has 104 engine complaints filed with NHTSA — 14% of the year's total, and up sharply from the prior model year.
104
Engine complaints
14%
Share of year
1
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“2004 TOYOTA PRIUS CUT OFF WHILE CONSUMER WAS DRIVING AT HIGHWAY SPEEDS.*MR WHEN THE CONSUMERS VEHICLE STALLED ON THE HIGHWAY, ANOTHER MOTORIST REAR ENDED THE CONSUMERS VEHICLE. *JB”
Common questions
How many engine complaints does the 2004 Toyota Prius have?
NHTSA has 104 complaints about the 2004 Toyota Prius engine — 14% of all complaints filed for that model year.
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.