Cars With the Most Acceleration Problems

Model years ranked by owner complaints about the speed control & acceleration (accelerator pedal, throttle, sudden acceleration, cruise control). 76,377 such complaints are on file with NHTSA.

Newer cars (2018 and later)

All model years

Frequently asked questions

Which cars have the most acceleration problems?

By number of NHTSA owner complaints, the 2010 Ford Fusion (793), the 2006 Ford Freestyle (602) and the 2005 Ford Freestyle (587) lead the list. Popular models naturally collect more complaints, so also look at the share of each car's complaints that involve the speed control & acceleration.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.