The 2015–2020 Ford F-150 offers several engine and drivetrain configurations, which means the problems you need to investigate depend partly on the truck you’re considering. On certain 3.5L EcoBoost models, listen carefully during a completely cold start for abnormal metallic rattling that could warrant further diagnosis. Trucks equipped with the 10R80 10-speed automatic should receive a thorough road test that allows the transmission to shift through multiple gears under different driving conditions. If you’re considering the 5.0L V8, check the engine oil level and review the service history for evidence of excessive oil consumption or previous oil-related complaints. Four-wheel-drive trucks also deserve additional attention. Grinding, rattling, or other abnormal noises from the front can indicate a problem involving the Integrated Wheel End system or related components. On F-150s equipped with a panoramic roof, inspect the headliner, A-pillars, carpeting, and roof opening for evidence of previous water intrusion. Before purchasing any truck from this generation, check its VIN through the appropriate government recall database and arrange an independent pre-purchase inspection. A diagnostic scan, cold start, road test, fluid inspection, underbody examination, and four-wheel-drive test can reveal problems that may not appear during a quick viewing.