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2011 Toyota Prius: engine and transmission complaints

NO ELEVATED SIGNAL
17%
71 of 423 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2011 Toyota Prius. Engine, transmission and fuel system account for 17% of relevant complaints.

Better than 91% of the 1,230 model years we track (2010–2023).

Excludes 95 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 14%).

NHTSA data checked September 13, 2026
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Drivetrain complaints
71
engine, transmission, fuel
Total complaints
518
this model year
Fires reported
7
owner-reported
Recall campaigns
6
36 crashes · 17 injuries

Complaints by component

SERVICE BRAKES273 · 53%
ELECTRICAL SYSTEM68 · 13%
EXTERIOR LIGHTING49 · 9%
ENGINE46 · 9%
AIR BAGS46 · 9%
VEHICLE SPEED CONTROL28 · 5%

The years either side

2010
11%
278 of 2,821
2011
17%
71 of 518
2012
18%
111 of 697
2013
18%
95 of 589
2014
20%
58 of 320
2015
18%
34 of 205
2016
19%
31 of 182
2017
25%
33 of 147
2018
28%
13 of 58
2019
21%
7 of 38
2020
19%
5 of 30
2021
too few complaints
2022
21%
6 of 32
2023
too few complaints

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

What owners reported

POWER TRAIN,VEHICLE SPEED CONTROL,SERVICE BRAKES04/27/2026
I was driving my car and suddenly the traction , hand brake and ABS sign started showing up. I usually apply only 10% of force on brake pedal but after this I have to apply almost 60% of force to even slow down the car. Almost 90% force to stop the car It has threatened safety of my family. When diagnosed at autozone…
ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM01/15/2026
I was driving my car at over 70 mph on a highway, no check engine, no issues, just had oil changed when check hybrid system alert came on with check engine light. I started to change lanes to get to shoulder when my car just died, completely. It died in the middle of the highway merging with another major road, so I wa…
ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM07/02/2025
Odometer Fraud. The contact purchased a 2011 Toyota Prius. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the mileage was 145,000 and at the time of registration, it was discovered that the…

Three of 71 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on this model year (6)

HYBRID PROPULSION SYSTEM
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2014 Toyota Prius and 2012-2014 Toyota Prius V vehicles. Excessive voltage in the Intelligent…
AIR BAGS:SIDE/WINDOW
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2010-2012 Toyota Prius, 2010 and 2012 Toyota Prius Plug-in Hybrid, and 2011-2012 Lexus C…
SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER
Southeast Toyota Distributors, LLC (SET) is recalling certain model year 2010-2011 Prius and Corolla, 2009-2011 Venza, 2006-2010 Avalon, 2007-2010 FJ Cruiser, 2005-2011 S…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2011 Toyota Prius

Have the VIN?Paste it and get the full report for that car. First report free, then a 30-day pass covers a whole car search.

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.