RoadVitals

2021 New Flyer Xcelsior Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
1
+1 complaint in 30 days
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
1
Reports on file since Sep 14, 2026

What this page shows

Our database holds 1 NHTSA owner-reported complaint for the 2021 New Flyer Xcelsior. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–1 of 1

Body & structure
Filed Sep 14, 2026

The contact reporting a 2021 New Flyer Xcelsior. The contact stated that the CNG fuel tank prop rods located in a compartment on the roof of the transit bus caused damages to the fuel tanks from road vibrations. The contact was concerned that the failure might cause an injury or a fire. The contact stated that the failure was present on sixteen other buses within the fleet, and some of the tanks were sent to be repaired. The cause of the failures were not yet determined. The manufacturer was notified of the failures.

NHTSA ID
11764151
Incident
Sep 14, 2026

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Data sources

Data on this page last refreshed .