DETROIT -- Ford Motor Co. will discontinue its F-150 Tremor sport truck after just one model year.

Doug Scott, Ford truck marketing manager, said Ford would not renew the Tremor when the all-new aluminum F-150 goes into production in the fourth quarter this year at Ford's Kansas City truck plant.

The Tremor is a short-wheelbase, regular-cab pavement burner powered by a 365-hp, turbocharged EcoBoost engine.

The Tremor went on sale in the fourth quarter last year as an on-road counterpart to the Raptor, Ford's over-the-top off-road performance truck.

The Raptor's future is also uncertain now that Ford has announced its redesigned 2015 F-150.

Ford did not show a 2015 version of the Raptor this week at the Detroit auto show.