2021 Ford Bronco Sport Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 11/01/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 713 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Ford Bronco Sport overview page.
What owners report
“Vehicle brought into dealership for Brake Recall. After this service, vehicle had loud metallic grinding sound when turning hard to the right under moderate acceleration…”NHTSA complaint 11495124 — filed 11/28/2022
“When accelerating, there is a lag in shifting. The engine revs, but the vehicle doesnât move, like itâs in neutral. This happens in normal mode…”NHTSA complaint 11485235 — filed 09/19/2022
“Vehicle got stuck in gear while traveling on highway. I would accelerate and the RPMs would shoot up but I was losing speed. I had…”NHTSA complaint 11484950 — filed 09/17/2022
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2021 Ford Bronco Sport have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2021 Ford Bronco Sport: 184 of 713 complaints on file (25.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Ford Bronco Sport have in total?
713 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 18 involved a crash, 17 involved a fire, 12 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
