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2014 Toyota Prius: engine and transmission complaints

NO ELEVATED SIGNAL
20%
58 of 320 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2014 Toyota Prius. Engine, transmission and fuel system account for 20% of relevant complaints.

Better than 87% of the 1,230 model years we track (2010–2023).

NHTSA data checked September 13, 2026
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Drivetrain complaints
58
engine, transmission, fuel
Total complaints
320
this model year
Fires reported
5
owner-reported
Recall campaigns
5
35 crashes · 20 injuries

Complaints by component

SERVICE BRAKES153 · 48%
ELECTRICAL SYSTEM54 · 17%
UNKNOWN OR OTHER45 · 14%
ENGINE37 · 12%
VEHICLE SPEED CONTROL26 · 8%
AIR BAGS18 · 6%

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

ENGINE04/06/2017CRASH1 INJURED
I WAS DRIVING IN SAN FRANCISCO I HAD THREE PASSENGER WITH ME IN THE CAR AND WHEN I WAS GOING UP TO THE HILL THE CAR POWER STARTS GETTING WEAKER AND I WAS HEARING THAT CARES IN THE CAR I DON'T WANT TO GO UP THE HILL NOW I'M LIKE IT'S KEEPS GOING WEAKER AND WEAKER AND WEAKER AND ALL THE SUDDEN THE CAR STARTED ROLLING …
ENGINE03/15/2026
the cylinder head gasket blew because of the poor design of the intake manifold and the EGR system. There are updated parts to fix this issue, but there was no recall. This poor design led to the vehicle having "the Death Knock." It started doing this knock on my trip driving my daughter to college. The engine could ha…
ENGINE03/02/2026
Head gasket failure. No check, engine, light or warning. My car was very well maintained regularly. After research, I found this to be a very common problem. Yes it is available for inspection. Upon request. The problem was confirmed by chemical test, ignition vapors going into engine coolant. Other symptoms were misfi…

Three of 58 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 (5)

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…
HYBRID PROPULSION SYSTEM: INVERTER
Toyota is recalling certain model year 2010 through 2014 Prius vehicles. In the affected vehicles, the Intelligent Power Module (IPM) inside the inverter module (a compo…
HYBRID PROPULSION SYSTEM: INVERTER
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2013-2015 Prius and 2014-2017 Prius V vehicles not included in recall 18V-684. Excessive voltage i…

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

Before you buy a 2014 Toyota Prius

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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. Combined across 3 body styles NHTSA files separately.