VehicleVerdict

2021 Kz-Rv Sonic problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just one complaint on file for the 2021 Kz-Rv Sonic — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

1

NHTSA complaints

3

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2021 compare to other Sonic years?

Sonic NHTSA complaints by model year, 2021 highlighted3 complaints2014: 0 complaints2015: 0 complaints2016: 0 complaints2017: 0 complaints2018: 3 complaints2019: 0 complaints2020: 0 complaints2021: 1 complaints2022: 0 complaints2023: 0 complaints
Sonic NHTSA complaints by model year, 2021 highlighted. Red bars are years to avoid.

See all Sonic years to avoid →

What are the most common 2021 Kz-Rv Sonic problems?

ComponentComplaintsShare
Brakes1100%

Does the 2021 Kz-Rv Sonic have recalls?

3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

22V289000OtherMay 2, 2022 · 11,906 units

Defect

KZRV, L.P. (KZRV) is recalling certain 2021-2022 KZRV Escape, SportTrek, Sonic, Stratus, Connect, Sportsmen, Sportsmen SE, Sportsmen Classic, Durango, Durango Gold, Venom, Confluence, and Sportsmen Sportster fifth wheel and travel trailers. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.

Consequence

A gas leak in the presence of an ignition source can increase the risk of a fire.

Remedy

Dealers will replace the fittings, free of charge. Owner notification letters were mailed June 9, 2022. Owners may contact KZRV customer service at 1-800-768-4016 ext. 154 or 153. KZRV's number for this recall is KZ-2022-02.

21V670000OtherAugust 27, 2021 · 34,345 units

Defect

KZRV, L.P. (KZRV) is recalling certain 2018-2022 Camplite, Confluence, Connect, Connect SE, Connect Lite, Durango, Durango Gold, Durango Half Ton, Durango Sport, Durango 1500, Quicksilver, Sonic, Sonic X, Sportsmen, Sportsmen FW, Sportsmen LE, Sportsmen SE, Sportsmen Sportster, Sportster, SportTrek, SportTrek Touring, Spree, Stratus, Venom, and Venom V Series recreational vehicles, equipped with Winntec model 6020 two-stage propane regulators. The regulator may fail, causing an increase in propane pressure.

Consequence

Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.

Remedy

Dealers will replace the regulator and pigtail hoses, free of charge. Owner notification letters were mailed June 3, 2022. Owners may contact KZRV customer service at 1-800-768-4016 ext. 154 or 153. KZRV's number for this recall is KZ-2021-05.

21V013000OtherJanuary 15, 2021 · 806 units

Defect

KZRV, L.P. (KZRV) is recalling certain 2021 Sportsmen Classic, Escape, and Sonic recreational trailers. The microwave circuits were improperly connected to a 20amp circuit breaker instead of a 15amp circuit breaker.

Consequence

Being connected to the wrong amperage circuit breaker may not provide adequate circuit protection, increasing the risk of a fire.

Remedy

KZRV will notify owners, and dealers will replace the 20 amp circuit breaker with a 15 amp circuit breaker, free of charge. The recall began February 22, 2021. Owners may contact KZRV customer service at 1-800-768-4016, extension 154 or 153. KZRV's number for this recall is KZ-2021-01.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“BOUGHT NEW VENTURE TRAVEL TRAILER. ELECTRONIC BRAKES DID NOT WORK. TOOK BACK TO DEALER. THEY FOUND THE BRAKE BACKING PLATE WAS INSTALLED INCORRECTLY AND FIXED THE PROBLEM UNDER WARRANTY.”

Complaint filed with NHTSA · Brakes · January 30, 2021

2021 Kz-Rv Sonic — common questions

Is the 2021 Kz-Rv Sonic reliable?

The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.

Does the 2021 Kz-Rv Sonic have recalls?

Yes — NHTSA lists 3 recall campaigns affecting the 2021 Kz-Rv Sonic. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.