The Lane Check

CarsSubaru › Legacy › 2018

2018 Subaru Legacy: engine and transmission complaints

NO ELEVATED SIGNAL
13%
15 of 117 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2018 Subaru Legacy. Engine, transmission and fuel system account for 13% of relevant complaints.

Better than 94% of the 1,230 model years we track (2010–2023).

NHTSA data checked September 13, 2026
Share this car

Looking at a specific Legacy?Check its VIN: the full report, quotes about its own engine, and whether its recalls are still open. First report free.

Check a VIN
Drivetrain complaints
15
engine, transmission, fuel
Total complaints
117
this model year
Fires reported
1
owner-reported
Recall campaigns
3
7 crashes · 1 injuries

Complaints by component

ELECTRICAL SYSTEM40 · 34%
UNKNOWN OR OTHER29 · 25%
VISIBILITY/WIPER25 · 21%
ENGINE10 · 9%
FUEL/PROPULSION SYSTEM8 · 7%
VISIBILITY8 · 7%

The years either side

2010
65%
73 of 150
2011
54%
68 of 167
2012
66%
50 of 90
2013
64%
32 of 66
2014
29%
10 of 53
2015
31%
46 of 159
2016
15%
21 of 146
2017
10%
11 of 119
2018
13%
15 of 117
2019
9%
11 of 123
2020
9%
11 of 121
2021
21%
5 of 31
2022
3%
1 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

SUSPENSION,POWER TRAIN,VISIBILITY/WIPER08/27/2026
Following an engine-out service at an authorized dealer (Bill Kolb Jr. Subaru), a primary powertrain mounting bolt was left unthreaded by approximately 1 inch, creating an undetected 8,000-mile safety hazard that resulted in extensive drivetrain and suspension component failures. Subsequently, during a diagnostic inspe…
SERVICE BRAKES,ENGINE,FUEL/PROPULSION SYSTEM10/20/2025CRASH
My wife experienced an unintended acceleration in her 2018 Subaru Legacy. My wife had begun to slowly back out of a parking space in a school parking lot when her 2018 Legacy went into an unintended rapid acceleration in reverse. The car took off in reverse and did not respond to her applying the brakes. Somehow she…
UNKNOWN OR OTHER,ENGINE01/03/2025
For context, we are the original owners of the 2018 Subaru Legacy car (leased in 2018, and then purchased outright in 2022). At the time of the incident, the car was in pristine condition. We had the oil changed in accordance with the maintenance agreement during the lease, and then every 6,000 miles or whenever the de…

Three of 15 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 (3)

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. Th…
VISIBILITY:REARVIEW MIRRORS/DEVICES
Subaru of America, Inc. (Subaru) is recalling certain 2018 Legacy, Outback, and BRZ vehicles. In the affected vehicles, a software issue may cause the audio display syst…
ELECTRICAL SYSTEM:SOFTWARE
Subaru of America, Inc. (Subaru) is recalling certain 2018 Subaru Legacy and Outback vehicles. Due to a software error, the low fuel warning light may not illuminate at …

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

Before you buy a 2018 Subaru Legacy

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.

Check a VIN

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.