New Price! Magnetic 2018 Ford F-150 Lariat 4WD 10-Speed EcoBoost 3.5L V6 GTDi DOHC 24V Twin Turbocharged 4WD. Price includes: $750 - Retail Bonus Customer Cash. Exp. 07/09/2018, $750 - Ford Credit Retail Bonus Customer Cash. Exp. 07/09/2018, $750 - Retail Customer Cash. Exp. 07/09/2018