The 2004 Ford F-150 Lariat was commonly powered by a 5.4-liter V8, with a 4.6-liter V8 offered as an alternative depending on options and cab/bed configuration.
That year marked a redesign for the F-150, expanding engine choices and aligning trim levels with new performance targets. Below is a snapshot of the engines you could find paired with the Lariat in 2004.
Engine options for the 2004 F-150 Lariat
The following engines were associated with the Lariat trim in 2004, depending on configuration and production date. Each option reflects typical outputs and notes on availability.
- 5.4L V8 Triton (3-valve per cylinder) — the most common engine in Lariat models, typically delivering roughly 260–300 horsepower and 350–365 lb-ft of torque, depending on drivetrain and emissions equipment.
- 4.6L V8 SOHC (2-valve) — an alternative for some configurations, generally around 225–260 horsepower and 290–300 lb-ft of torque.
- 4.2L V6 — a less common option on the Lariat for 2004, with roughly 210 horsepower and about 260–290 lb-ft of torque.
In practice, most 2004 F-150 Lariat customers received the larger 5.4L V8 as standard or near standard equipment, with the 4.6L V8 available on some configurations and the 4.2L V6 appearing in a smaller number of builds.
How to verify the engine in a specific truck
For the exact engine in a given 2004 F-150 Lariat, check the original window sticker or build sheet, or decode the Vehicle Identification Number (VIN) using Ford's resources or a reputable VIN decoder. The engine type is also listed on the engine itself by the intake manifold or valve covers in many cases.
Summary
The 2004 F-150 Lariat offered multiple engine options, most commonly the 5.4L V8, with the 4.6L V8 as an alternative and the 4.2L V6 in some builds. Confirming the exact engine on a particular truck requires checking the VIN/build sheet or the window sticker.