But a 2027 order guide recently posted online reveals some interesting changes happening under the hood of the F-150. Ford has long pushed its 3.5-liter EcoBoost V6 as the engine of choice for its popular pickup truck. F-150 Gets New Base Engine, Expanded V8 Options2025 Ford F-150 Lobo engine detail shot Jared Rosenholtz/CarBuzz/ValnetAccording to a 2027 order guide recently posted to f150gen14.com, Ford is changing up its engine lineup for a few F-150 trim levels. 2025-2026 Ford F-150 front 3/4 angle in red FordTechnically speaking, the 3.5-liter EcoBoost V6 is the range-topping engine in the F-150 lineup, Raptor variants notwithstanding. We're keeping an eye on Ford for 2027 F-150 announcements.