This took place yesterday morning when Flintoff was filming at the show's test track at Dunsford Aerodrome in Surrey.
"Freddie was injured in an accident at the Top Gear test track this morning - with crew medics attending the scene immediately", a BBC spokesperson said.
"He has been taken to hospital for further treatment, and we will confirm more details in due course".
Former England cricketer Andrew Flintoff has co presented Top Gear alongside comedian Paddy McGuinness and Chris Harris since 2019.
According to reports, Flintoff's injuries are not believed to be life threatening.