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Vehicle speed controlPart report

2018 Subaru Legacy Vehicle speed control Problems

Complaints
3about this part
Share
3%of 117 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the vehicle speed control of the 2018 Subaru Legacy, 3% of the 117 complaints for this model year. 2 of these say a crash was involved, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle proceeded from a stop at intersection when it unexpectedly decelerated and holding the brakes down seem to do nothing, tried turning corner at next stop sign to maybe slow it down and hit utility pole and parked car in driveway. A resident that was outside on porch by stop sign said they heard it just loud exceleration. This was a short street block in a residential area. No warnings, vehicle undrivable and waiting on insurance. Police accident report filed. There were no skid marks, although there was wet pavement.12/6/2022”

NHTSA complaint #11496852, filed 2022-12

“The car (#1) came to a sudden stop on a freeway without the driver stepped on the brake pedal. Front dash cam video on car #1 is available. Car #1 was then hit from behind by another car (#2) which could not stop in time. However, the impact was not significant because car #2 was able to partially switch lane and only the corners of the bumpers of both cars made the contact. The sudden stop problem could NOT be reproduced afterward by the driver. No dealer/car shop has been contacted on this issue. Warning light(s) status on dashboard of car #1 was UNKNOWN . …”

NHTSA complaint #11432159, filed 2021-09

Vehicle speed control: other model years

YearComplaintsShare of year
2025117%
202226%
202113%
202043%
201943%
201833%
201722%
201696%
2015149%
201436%
201346%
201244%
201153%
201085%
200858%
20063034%
2005158%
2004510%
200358%
200247%
2001912%
20001011%
19991213%
1998109%
199796%
199676%
199532%
199423%
199345%
199224%
199156%
199056%

Other parts of the 2018 Subaru Legacy

Electrical system
40 complaints
Visibility (wipers, defrost, mirrors)
32 complaints
Other or unknown
29 complaints
Engine
10 complaints
Fuel system
8 complaints
Brakes
6 complaints
Lane departure
4 complaints
Steering
4 complaints
Body and structure
4 complaints
Air bags
3 complaints
Back-over prevention (rear camera)
3 complaints
Suspension
3 complaints

← All problems reported for the 2018 Subaru Legacy

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology