2021 Forest River Sierra Problems, Complaints & Recalls

Source: NHTSA · Updated Jul 31, 2023 · 3 owner complaints analyzed

Compared with other Sierra years
Not enough data 1st of 28 for complaints
NHTSA crash rating
Not rated

Owners have filed 3 complaints with NHTSA about the 2021 Forest River Sierra. That is the most of any Sierra model year in the database (28 years). The most reported problem area is electrical system (1 complaints, 33%). Complaints mention 1 fire. There is 1 safety recall covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2021 Forest River Sierra problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System1
Firerelated1
Service Brakes1
Unknown or Other1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System133%———
Firerelated133%———
Service Brakes133%———
Unknown or Other133%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 2 complaints
2021: 2202122023: 120231

n = 3 complaints · Source: NHTSA

2021 Forest River Sierra recalls (1)

Tap a recall to see the problem, the risk and the fix.

Equipment:recreational vehicle/trailer; structure:frame and membersMay 24, 2021 · NHTSA campaign 21V378000 · 18 vehicles

Problem: Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.

Risk: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.

Fix: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Recently I had the glass over my dining table shatter. My concern is not that it shattered, but the size of the shards.Although the glass shattered only after I shut the door on the trailer. It is my understanding that per ANSI Z26.1 that each shard should weigh no more than 4.25g. And anything…

Unknown or Other · received Jul 31, 2023 · NHTSA complaint 11535600

The contact owns a 2021 Forest River Sierra Model 379FLOK travel trailer. The contact stated that while the travel trailer oven was in use, the heat vent on the back of the oven melted the backsplash. The travel trailer was not diagnosed nor repaired. The dealer and manufacturer were not made aware…

Firerelated · received Sep 28, 2021 · NHTSA complaint 11434758

The contact owns a 2021 Forest River Sierra fifth wheel trailer. The contact stated while driving approximately 55 mph, the trailer brakes failed to engage while the brake pedal was depressed. The contact stated that the "trailer wiring fault" message was displayed. The vehicle was diagnosed and…

Service Brakes · received Aug 2, 2021 · NHTSA complaint 11427488

Other Forest River Sierra years

← 2019 Sierra · 2022 Sierra →

See all Forest River Sierra problems by year, every Forest River model, or the VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Forest River Sierra?

Owners most often report electrical system, firerelated, service brakes problems. The top one, electrical system, accounts for 1 complaint.

Was there a recall on the 2021 Forest River Sierra?

Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Forest River Sierra a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Sierra model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.