Money Ford reveals new F-150 Tremor series in plan to dominate off-road action December 8, 2020 Phoebe Wall Howard, Detroit Free Press Comments Off on Ford reveals new F-150 Tremor series in plan to dominate off-road action Ford adds the 2021 F-150 Tremor to a trio of off-road vehicles that includes Ranger Tremor and Super Duty Tremor.