For owners and prospective buyers of the 2017 Ford Expedition, understanding the heart of this full-size SUV is essential. The 2017 model year marked a significant refresh for the Expedition, introducing a new twin-turbocharged engine that defined its performance capabilities for years to come. This specific powertrain represented Ford’s shift away from the aging modular V8s, embracing modern technology to deliver robust power and towing capacity in a more compact and efficient package.
The Heart of the 2017 Expedition: Engine Options and Specifications
When examining the 2017 Ford Expedition engine bay, you will find two primary gasoline options catering to different driver needs. The base model came equipped with a capable 3.5-liter Ti-VCT V6, while the more powerful and technologically advanced 3.5-liter EcoBoost V6 was reserved for the higher trims, including the Platinum and Limited. The latter is the performance-oriented heart of this generation, and it is this specific powertrain that often defines the model year.
3.5L EcoBoost Twin-Turbocharged V6
The standout powertrain for the 2017 Expedition is the 3.5L EcoBoost engine, a sophisticated piece of engineering that utilizes two turbochargers to force more air into the combustion chamber. This design allows the smaller displacement engine to produce impressive power figures that rival larger, naturally aspirated V8s. The technology behind this setup provides a strong balance of daily drivability and high-end capability, making it a compelling choice for those who need both power and efficiency.
Powder-Steel Block and Performance Metrics
One of the key innovations in this EcoBoost engine is its powder-metal-block construction. This manufacturing process, borrowed from racing technology, reduces weight and increases internal rigidity, allowing the engine to handle the high pressures generated by the turbochargers. This robust design contributes to the engine's longevity and reliability, which are critical factors for a vehicle in this class. The performance output for this configuration is 375 horsepower and 470 lb-ft of torque, providing ample acceleration for highway merging and confident towing for boats or trailers.
Transmission, Drivetrain, and Real-World Application To handle the substantial torque output of the 3.5L EcoBoost, Ford mated it exclusively to a robust six-speed automatic transmission. This transmission is designed to manage the power delivery efficiently, with a focus on maintaining momentum during towing maneuvers. The Expedition offers both rear-wheel drive and intelligent four-wheel drive systems, with the latter being the preferred choice for those living in regions with harsh weather or challenging terrain, as it provides superior traction and control in various driving conditions. Fuel Economy and Efficiency Considerations
To handle the substantial torque output of the 3.5L EcoBoost, Ford mated it exclusively to a robust six-speed automatic transmission. This transmission is designed to manage the power delivery efficiently, with a focus on maintaining momentum during towing maneuvers. The Expedition offers both rear-wheel drive and intelligent four-wheel drive systems, with the latter being the preferred choice for those living in regions with harsh weather or challenging terrain, as it provides superior traction and control in various driving conditions.
It is important to address the fuel economy of the 2017 Ford Expedition engine, as the twin-turbo setup represents a compromise between power and efficiency. While the EcoBoost engine allows for better fuel economy in normal driving compared to a traditional V8, owners will still find it to be a thirsty vehicle, especially when towing or driving aggressively. The EPA estimates typically range around 18 city / 24 highway MPG for the two-wheel-drive version, but these numbers can drop significantly when the trailer hitch is attached, a crucial factor for potential buyers to consider regarding operational costs.
Common Issues and Reliability Factors
No discussion of the 2017 Ford Expedition engine would be complete without addressing potential reliability concerns that have been reported by owners over the years. While the EcoBoost engine is generally well-regarded for its performance, some owners have reported issues related to the direct fuel injection system and the high-pressure fuel pump. Additionally, the complex turbocharged and intercooled system requires diligent maintenance, including premium fuel recommendations in some climates, to operate at peak efficiency and avoid premature wear.
