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2020 Toyota Prius: engine and transmission complaints

NO ELEVATED SIGNAL
19%
5 of 30 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2020 Toyota Prius. Engine, transmission and fuel system account for 19% of relevant complaints.

Better than 89% of the 1,230 model years we track (2010–2023).

NHTSA data checked September 13, 2026
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Drivetrain complaints
5
engine, transmission, fuel
Total complaints
30
this model year
Fires reported
0
owner-reported
Recall campaigns
1
11 crashes · 6 injuries

Complaints by component

SERVICE BRAKES6 · 20%
UNKNOWN OR OTHER5 · 17%
ELECTRICAL SYSTEM5 · 17%
VISIBILITY/WIPER5 · 17%
TIRES4 · 13%
VEHICLE SPEED CONTROL4 · 13%

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

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM05/31/2023CRASH1 INJURED
On May 16, 2023 I was slowly driving out of a market parking lot when the car suddenly accelerated, full throttle, and speeded across the street (Colusa Avenue, Berkeley, CA), crashing head on into a fence. Immediately after the crash, the dashboard displayed the following: "Check Engine (!) A malfunction in the elec…
POWER TRAIN,STRUCTURE,WHEELS10/02/2020
2020 TOYOTA PRIUS. CONSUMER WRITES IN REGARDS TO NEEDING TRANSMISSION REPAIR AFTER VEHICLE WAS TOWED. *LD THE CONSUMER STATED THE AXEL RODS, RIMS NEEDED TO BE REPAIRED/REPLACED, STEERING ISSUES,. REAR WHEEL ISSUES, AND BUMPER REPLACEMENT. *JS
POWER TRAIN08/15/2022
I was driving yesterday on Freeway in the 2nd lane ,all of a sudden car went from drive to neutral,I didn't touch transmission gear lever and I put gas And it says it is on neutral N,I was in dangerous situation, the other cars were flying by,I put on hazard lights Slowly changed lanes because it was not on D drive mod…

Three of 5 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 (1)

ELECTRONIC STABILITY CONTROL (ESC)
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2019 Lexus LS500, LC500, ES300h, UX250h, LS500h, Toyota Prius, RAV4 HV, 2019-2020 Toyota Prius Prim…

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

Before you buy a 2020 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 2 body styles NHTSA files separately.