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2018 Kzrv SonicProblems, recalls & complaints

NHTSA has logged 1 owner complaint about the 2018 Kzrv Sonic, most often about the equipment. It is covered by 3 safety recalls, and for recall 17V-749 the manufacturer reports only 8% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls3Lowest repair rate 8%Owner complaints10 with a crash, fire or injuryTypical failure mileage3kEquipment, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 14, 2022. Updated daily.

Complaints by system

Where the 2018 Kzrv Sonic has problems

1 complaint grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Equipment10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

3 recalls

2018 Kzrv Sonic recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

31%repaired · 2024 Q1

Recreational vehicle/trailer: lpg systems

Recall 21V-670 · Aug 27, 2021 · 34,345 vehicles · 10,673 repaired

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

Problem, fix and repair progress →

45%repaired · 2020 Q1

Equipment: recreational vehicle/trailer

Recall 18V-681 · Sep 28, 2018 · 335 vehicles · 151 repaired

Risk. A damaged and leaking LP manifold can increase the risk of a fire.

Problem, fix and repair progress →

8%repaired · 2019 Q4

Equipment

Recall 17V-749 · Nov 21, 2017 · 134,046 vehicles · 10,115 repaired

Risk. In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Kzrv.

Best & worst years

2018 vs. every other Sonic year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sonic median. How we score

'14'15'16'17'18'19'20'21'22'23
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Sonic owners report

Recent equipment complaints filed with NHTSA, shortened. Personal details are removed.

The contact owns a 2018 KZRV Sonic. The contact received notification of NHTSA Campaign Number: 21V670000 (Equipment) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of…
Complaint 11469204 · Jun 14, 2022 · 3,000 miles

Own a 2018 Sonic?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.