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2018 Toyota Prius problems: engine and transmission complaints and recalls

NO ELEVATED SIGNAL
28%
13 of 47 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2018 Toyota Prius. Engine, transmission and fuel system account for 28% of relevant complaints.

Better than 74% of the 1,790 model years we track (2010–2023).

Excludes 11 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 22%).

NHTSA data checked October 17, 2026
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The VIN is on the listing, the driver’s door jamb, and the bottom of the windshield on the driver’s side.

Does the 2018 Toyota Prius have engine or transmission problems?

Not as a pattern, going by owner complaints. 13 of 47 relevant complaints filed with NHTSA about the 2018 Toyota Prius concern the engine, transmission or fuel system (28%). For comparison, the 2017 scores 25% and the 2019 scores 21%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
13
engine, transmission, fuel
Total complaints
58
this model year
Fires reported
1
owner-reported
Recall campaigns
3
10 crashes · 8 injuries

Complaints by component

UNKNOWN OR OTHER11 · 19%
VISIBILITY/WIPER7 · 12%
EXTERIOR LIGHTING6 · 10%
VEHICLE SPEED CONTROL6 · 10%
ELECTRICAL SYSTEM5 · 9%
SERVICE BRAKES5 · 9%

The years either side

2010
11%
278 of 2,822
2011
17%
72 of 522
2012
18%
111 of 701
2013
18%
95 of 592
2014
20%
58 of 321
2015
18%
34 of 206
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
17%
4 of 25

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

In the full report

The rest of the picture on the 2018 Toyota Prius

What one owner reported

POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE07/04/2023CRASH1 INJURED
I entered a large, strip mall parking area and was driving at the vastly reduced speed one would use in such a situation. My intention was to park my car to enter a store in the mall. I turned a corner to park on the side of the building (parking options were limited). As I entered a parking space (moving at the speed …

One of 13 drivetrain complaints. The full report shows them, with quotes about the engine in the car you are looking at first.

Are there engine or transmission recalls on the 2018 Toyota Prius?

No engine or transmission recalls. NHTSA lists 3 recall campaigns on the 2018 Toyota Prius, none of them for the engine, transmission or fuel system. A recall is the manufacturer admitting a defect and paying to fix it; whether a specific car still has one open depends on its VIN, which the full report checks. The owner complaints above are a separate record and often point at problems that never became a recall.

3 other recalls on this model year (airbags, lighting, brakes and the rest)
hybrid propulsion system19V491000 · Jun 2019
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 Prius C vehicles. The DC-DC converter may fail resulting in the auxiliary battery no longer receiving power from the…
electrical system: wiring18V579000 · Sep 2018
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2016-2018 Toyota Prius vehicles. A portion of the engine wire harness connected to the hybrid Power Control Unit (PCU), could…
equipment: other: labels18V176000 · Mar 2018
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018 Toyota Prius C vehicles sold in Puerto Rico. The front passenger air bag and recommended child occupant seating positions…

Source: NHTSA recall campaigns filed against this year, make and model; one of NHTSA's listings did not answer when this page was built, so the list may be incomplete. Checked October 17, 2026.

Checking one particular 2018 Toyota Prius? This page is about the model year. Accidents, title brands and odometer records belong to the individual car, and that is what a vehicle history report covers.

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Questions people ask about the 2018 Toyota Prius

Does the 2018 Toyota Prius have engine or transmission problems?

Not as a pattern, going by owner complaints. 13 of 47 relevant complaints filed with NHTSA about the 2018 Toyota Prius concern the engine, transmission or fuel system (28%). It describes the model year, not any one car, so an inspection still matters.

Are there engine or transmission recalls on the 2018 Toyota Prius?

No. NHTSA lists 3 recall campaigns on the 2018 Toyota Prius, none of them for the engine, transmission or fuel system.

Which Toyota Prius years are better?

Among the Toyota Prius years we track, the 2010 (11%), the 2011 (17%) and the 2023 (17%) have a lower engine and transmission complaint share than the 2018 (28%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2018 Toyota Prius?

That depends on the car in front of you, not just the model year. The 2018 Toyota Prius shows no elevated engine or transmission pattern in owner complaints, which is a good starting point. It is still one car with its own history, so get an independent pre-purchase inspection and a vehicle history report before you commit.

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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 4 body styles NHTSA files separately.