Technical Specifications
| Brand | Ford |
| Model | Expedition |
| Generation | Expedition III EL (U354) |
| Type (Engine) | 5.4 V8 (310 Hp) 4×4 Flex Fuel Automatic |
| Start of production | July, 2008 |
| End of production | August, 2014 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7-8 |
| Doors | 5 |
| Fuel consumption (economy) – urban (EPA) | 18.1 l/100 km (13 US mpg, 15.6 UK mpg, 5.5 km/l) |
| Fuel consumption (economy) – extra urban (EPA) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel consumption (economy) – combined (EPA) | 15.7 l/100 km (15 US mpg, 18 UK mpg, 6.4 km/l) |
| Fuel Type | Petrol / Ethanol – E85 |
| Weight-to-power ratio | 8.9 kg/Hp, 112.4 Hp/tonne |
| Weight-to-torque ratio | 5.6 kg/Nm, 179.5 Nm/tonne |
| Power | 310 Hp @ 5100 rpm |
| Power per litre | 57.3 Hp/l |
| Torque | 495 Nm @ 3600 rpm (365.09 lb.-ft. @ 3600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Triton |
| Engine displacement | 5408 cm3 (330.02 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 90.2 mm (3.55 in.) |
| Piston Stroke | 105.8 mm (4.17 in.) |
| Compression ratio | 9.8:1 |
| Number of valves per cylinder | 3 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC, VCT |
| Engine oil capacity | 6.6 l (6.97 US qt | 5.81 UK qt) |
| Coolant | 15.5 l (16.38 US qt | 13.64 UK qt) |
| Kerb Weight | 2757 kg (6078.14 lbs.) |
| Trunk (boot) space – minimum | 1206 l (42.59 cu. ft.) |
| Trunk (boot) space – maximum | 3704 l (130.81 cu. ft.) |
| Fuel tank capacity | 127 l (33.55 US gal | 27.94 UK gal) |
| Permitted trailer load with brakes (12%) | 3946 kg (8699.44 lbs.) |
| Length | 5621 mm (221.3 in.) |
| Width | 2002 mm (78.82 in.) |
| Width with mirrors folded | 2024 mm (79.69 in.) |
| Width including mirrors | 2332 mm (91.81 in.) |
| Height | 1989 mm (78.31 in.) |
| Wheelbase | 3327 mm (130.98 in.) |
| Front track | 1702 mm (67.01 in.) |
| Rear (Back) track | 1707 mm (67.2 in.) |
| Front overhang | 996 mm (39.21 in.) |
| Rear overhang | 1298 mm (51.1 in.) |
| Ride height (ground clearance) | 221 mm (8.7 in.) |
| Approach angle | 24.1° |
| Departure angle | 20.9° |
| Ramp-over (brakeover) angle | 18.7° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Coil spring, Double wishbone, Transverse stabilizer |
| Rear suspension | Independent multi-link spring suspension with stabilizer, Air Suspension – Optional |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 255/70 R18; 275/55 R20 |
| Wheel rims size | 18; 20 |
The Ford Expedition III EL (U354), specifically the variant equipped with the 5.4-liter V8 engine producing 310 horsepower and paired with a four-wheel-drive system and automatic transmission, was a prominent full-size SUV produced by Ford from July 2008 through August 2014. This extended-length (EL) version of the third-generation Expedition aimed to provide substantial passenger and cargo space, catering to families and those requiring significant hauling capacity. It represented Ford’s offering in the competitive full-size SUV segment, directly competing with vehicles like the Chevrolet Tahoe and GMC Yukon. The “Flex Fuel” designation indicated the engine’s capability to run on gasoline or a blend of up to 85% ethanol (E85).
Powertrain & Engine Architecture
The heart of this Expedition variant was Ford’s 5.4-liter Triton V8 engine. This engine, designated with various codes throughout its production run, was a three-valve-per-cylinder design featuring a single overhead camshaft (SOHC) and variable valve timing (VCT). The multi-port fuel injection system delivered fuel directly to each cylinder, optimizing combustion. The 5.4L Triton was known for its relatively smooth power delivery, though it wasn’t particularly fuel-efficient. The engine’s architecture was a 90-degree V-configuration, contributing to its balance and reduced vibrations. The automatic transmission used was typically a six-speed unit, designed to handle the engine’s torque output and provide relatively smooth shifting. The transmission was electronically controlled, adapting shift points based on driving conditions and throttle input.
Driving Characteristics
The 310-horsepower and 495 lb-ft of torque provided by the 5.4L V8 and automatic transmission combination delivered adequate, but not exhilarating, performance. Acceleration was reasonable for a large SUV, but it wasn’t as quick as some of the lighter or higher-output Expedition trims. The automatic transmission, while smooth, could sometimes feel hesitant during quick acceleration or when downshifting. The 4×4 system provided enhanced traction in inclement weather or off-road conditions, but the Expedition was primarily designed for on-road comfort and hauling capacity. The extended wheelbase of the EL model contributed to a more stable ride, particularly at highway speeds.
Equipment & Trim Levels
The 5.4L V8/4×4 automatic configuration typically represented a mid-range trim level within the Expedition lineup. Standard features generally included air conditioning, power windows and locks, a basic audio system, and cloth upholstery. Higher trim levels added features like leather seats, a premium sound system, navigation, and power-adjustable pedals. Optional extras included a rear entertainment system, sunroof, and upgraded towing packages. The EL (extended length) configuration was often paired with specific trim packages designed to maximize passenger and cargo space.
Chassis & Braking
The Expedition III EL utilized a body-on-frame construction, providing a robust and durable platform. The front suspension consisted of an independent double wishbone setup with coil springs and a stabilizer bar. The rear suspension was initially a solid axle with coil springs and a stabilizer bar, but later models offered an optional independent multi-link suspension with air suspension for improved ride quality. Braking duties were handled by ventilated discs on all four wheels, coupled with an anti-lock braking system (ABS) for enhanced safety. The braking system was adequate for the vehicle’s weight, but required a firm pedal input for effective stopping power.
Market Reception & Comparison
The 5.4L V8/4×4 automatic Expedition EL was generally well-received by consumers seeking a spacious and capable full-size SUV. Critics noted its comfortable ride, ample interior space, and strong towing capacity. However, fuel economy was a common complaint, as the 5.4L V8 was not particularly efficient. Compared to the smaller V6 engine option, the V8 offered significantly more power and towing capability, but at the expense of fuel economy. Compared to the higher-output EcoBoost V6 introduced in later Expedition models, the 5.4L V8 felt less refined and offered lower overall performance.
Legacy
The 5.4L Triton V8 engine, while reliable overall, was known for potential issues with spark plug breakage and timing chain wear, particularly in earlier iterations. The automatic transmission, when properly maintained, proved to be durable. Today, the 2008-2014 Ford Expedition III EL with the 5.4L V8 represents a relatively affordable option in the used full-size SUV market. Its spacious interior and towing capacity continue to appeal to families and those needing a versatile vehicle. However, potential buyers should be aware of the engine’s potential maintenance needs and the vehicle’s relatively low fuel economy.
