The Ford Expedition IV MAX, specifically the variant equipped with the 3.5 EcoBoost V6 engine producing 375 horsepower and paired with a 10-speed automatic transmission, represents a significant iteration in Ford’s full-size SUV lineup. Produced from 2017 to 2021, this model (designated U553) aimed to provide a blend of substantial interior space, powerful performance, and improved fuel efficiency compared to its predecessors. The “MAX” designation indicates an extended wheelbase, offering increased cargo capacity and third-row passenger space, positioning it as a premium offering within the Expedition range. This variant served as a flagship powertrain option, catering to buyers needing substantial towing capacity and a refined driving experience.
Technical Specifications
| Brand | Ford |
| Model | Expedition |
| Generation | Expedition IV MAX (U553) |
| Type (Engine) | 3.5 EcoBoost V6 (375 Hp) Automatic |
| Start of production | 2017 year |
| End of production | 2021 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 8 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 13.8 l/100 km (17 US mpg, 20.5 UK mpg, 7.2 km/l) |
| Fuel consumption (economy) – extra urban | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel consumption (economy) – combined | 12.3 l/100 km (19.1 US mpg, 23 UK mpg, 8.1 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.7 kg/Hp, 149.1 Hp/tonne |
| Weight-to-torque ratio | 3.9 kg/Nm, 253.3 Nm/tonne |
| Power | 375 Hp @ 5000 rpm |
| Power per litre | 107.3 Hp/l |
| Torque | 637 Nm @ 2250 rpm (469.83 lb.-ft. @ 2250 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 3496 cm3 (213.34 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Twin-Turbo, Intercooler |
| Valvetrain | DOHC, Ti-VCT |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant | 17.5 l (18.49 US qt | 15.4 UK qt) |
| Kerb Weight | 2515 kg (5544.63 lbs.) |
| Trunk (boot) space – minimum | 971 l (34.29 cu. ft.) |
| Trunk (boot) space – maximum | 3440 l (121.48 cu. ft.) |
| Fuel tank capacity | 107 l (28.27 US gal | 23.54 UK gal) |
| Permitted trailer load with brakes (12%) | 2858 kg (6300.81 lbs.) |
| Length | 5636 mm (221.89 in.) |
| Width | 2029 mm (79.88 in.) |
| Width with mirrors folded | 2123 mm (83.58 in.) |
| Width including mirrors | 2372 mm (93.39 in.) |
| Height | 1941 mm (76.42 in.) |
| Wheelbase | 3343 mm (131.61 in.) |
| Front track | 1717 mm (67.6 in.) |
| Rear (Back) track | 1707 mm (67.2 in.) |
| Ride height (ground clearance) | 249 mm (9.8 in.) |
| Approach angle | 24.0° |
| Departure angle | 21.5° |
| Ramp-over (brakeover) angle | 20.3° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 10 gears, automatic transmission SelectShift |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
Powertrain & Engine Architecture
At the heart of this Expedition variant lies the 3.5-liter EcoBoost V6 engine. This engine, part of Ford’s EcoBoost family, utilizes a twin-turbocharged configuration to deliver a substantial increase in power and torque compared to naturally aspirated engines of similar displacement. The engine employs direct fuel injection, optimizing combustion efficiency and contributing to improved fuel economy. The valvetrain features a Double Overhead Camshaft (DOHC) design with Twin Independent Variable Camshaft Timing (Ti-VCT), allowing for precise control of valve timing to maximize performance across the engine’s operating range. The 10-speed automatic transmission, dubbed SelectShift, is a crucial component of this powertrain. Its wide gear ratio spread allows the engine to operate in its most efficient range more frequently, enhancing both acceleration and fuel economy. The transmission also features selectable drive modes, allowing the driver to tailor the shift points to their driving preferences.
Driving Characteristics
The 3.5 EcoBoost V6 with the 10-speed automatic delivers a markedly different driving experience compared to lower-trim Expeditions equipped with the naturally aspirated 3.5-liter V6. The twin-turbochargers provide a broad torque curve, resulting in strong acceleration from a standstill and effortless passing power. The 10-speed transmission contributes to smooth and responsive shifts, minimizing noticeable gear changes during normal driving. While not as fuel-efficient as some competitors with smaller engines, the EcoBoost variant offers a compelling balance of power and efficiency for a full-size SUV. The rear-wheel-drive configuration provides a more traditional SUV feel, while four-wheel drive options were available for enhanced traction in inclement weather.
Equipment & Trim Levels
The Expedition IV MAX 3.5 EcoBoost typically came standard with a generous array of features, including a leather-trimmed interior, tri-zone automatic climate control, a power liftgate, and a comprehensive infotainment system with a touchscreen display. Higher trim levels, such as the Platinum, added even more luxurious amenities, such as premium leather upholstery, heated and ventilated front seats, a panoramic sunroof, and advanced driver-assistance systems. Optional extras included a rear-seat entertainment system, a towing package, and various appearance upgrades.
Chassis & Braking
The Expedition IV MAX utilizes a body-on-frame construction, providing a robust and durable platform for towing and hauling. The suspension system consists of an independent front suspension with double wishbones and an independent multi-link rear suspension. This setup aims to deliver a comfortable ride while maintaining good handling characteristics. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) is standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The 3.5 EcoBoost-equipped Expedition MAX received generally positive reviews from automotive critics. The engine was praised for its strong performance and refined power delivery. The 10-speed automatic transmission was also lauded for its smoothness and responsiveness. Compared to the base 3.5-liter V6, the EcoBoost variant offered a significant performance upgrade, making it a popular choice for buyers who frequently tow trailers or travel long distances. Fuel economy, while not class-leading, was considered acceptable for a vehicle of this size and capability. Reliability proved to be generally good, although some owners reported minor issues with the turbochargers and fuel injection system.
Legacy
The Ford Expedition IV MAX 3.5 EcoBoost remains a popular choice in the used car market. Its combination of spaciousness, power, and features makes it a compelling option for families and those needing a capable SUV. The EcoBoost engine, while requiring regular maintenance, has proven to be relatively durable when properly cared for. As of 2024, well-maintained examples of this variant continue to command reasonable prices, reflecting their enduring appeal and practicality.
