Worried about potential repair costs? An extended warranty can provide peace of mind.
Chart based on 27 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2011 Toyota Prius 4dr Hatch
98-horsepower 1.8L I4 Hybrid CVT FWD
121000 mi
US $925
Replaced Fuel Pump
219000 mi
US $160
Replaced mass airflow sensor - rough idle, reduced fuel economy, CEL
228000 mi
US $3800
Leaking head gasket
158000 mi
US $224
engine check light revealed replace mass air flow sensor
94500 mi
US $50
regular maintenance
84000 mi
US $60
Heat shield had come loose and was rattling quite a bit. Mechanic removed it because it isn't strictly needed.
91000 mi
US $300
Lean code on CEL. Replaced O2 sensors. Light came back on; Will investigate at annual inspection.
95000 mi
US $1540
Persistent lean fuel trims and P0171 code. Diagnosed as bad fuel injectors. Replaced all 4 fuel injectors with genuine Toyota, cleaned intake, back of valves, injector ports, EGR tube, replaced intake manifold gasket.
118086 mi
US $2
Cleaned carbon clogging of intake manifold. No symptoms yet, but a known issue with this generation. Best to periodically clean it before a problem can develop. Some people on Priuschat.com and elsewhere feel confident that clogging of the cooler and/or manifold passages is the primary cause of the depressingly frequent head-gasket failures in high-mileage 3rd-generation Prii.
106000 mi
The car went into limp mode. Had it towed. Discovered it was the inverter which was covered under extended warranty!
150000 mi
Error code P0A94 DC-DC Converter sub-assembly. Looks like the part is around $2500. Covered by Toyota 15 year unlimited mileage warranty.
82000 mi
US $500
seal was leaking head gasket
21040 mi
Accelerate and smell went into cabin-Not fixed.
36860 mi
Smell coming from engine bay. Fixed by replacing sponge at engine bay.
40300 mi
Timing chain knocking to engine body during cold start
41540 mi
Engine metal knocking during cold start. Replaced fuel injector and manifold. Problem still occured. Root cause was carbon deposit on fuel injector causing the morning cold start knocking. Needed special coated fuel injector.
20000 mi
Cold start (below 40F) runs rough with a loud knock. Occurred about 8 times during the winter. Found a TSB that described my problem exactly. Dealer did not find any error codes. Not sure if repair fixed the problem.
66000 mi
US $3500
Stone came through opening in front and damaged inverter cooling radiator. Coolant was lost and inverter failed and was ruined. Cost was covered by road hazard insurance
Note: Prius has no grill work in front opening to catch stones
4000 mi
Oil warning light directing me to take the car to the dealer where I bought it.
5000 mi
Rough start after cold soak per TSB
94000 mi
US $100
Oil leak. Engine had to be pulled to correct problem.
116000 mi
Replaced EGR Valve and gaskets
121600 mi
US $60
Check engine light was intermittent. Dealer said problem with EGR valve again - they needed to keep car for day or so to work on it so I had to reschedule.
131000 mi
US $985
Replaced EGR Cooler.
36000 mi
leaking oil seal
8000 mi
extremely retarded valve timing. replaced camshaft oil control valve
65000 mi
Timing chain cover seals leaking. Repaired under extended warranty. Replaced related seals and gaskets.
See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how
frequently 2011 Toyota Prius problems occur, check out our car reliability stats.