The Ford Expedition II 5.4 i V8 24V (300 Hp) 4WD Automatic represents a significant iteration of Ford’s full-size SUV, produced for the 2005 and 2006 model years. Falling within the second generation of the Expedition (2003-2006), this variant occupied a premium position in the lineup, offering a potent V8 engine paired with a four-speed automatic transmission and a capable four-wheel-drive system. It was designed to cater to buyers needing substantial towing capacity, interior space, and all-weather capability, primarily targeting the North American market where large SUVs remained highly popular.
Technical Specifications
| Brand | Ford |
| Model | Expedition |
| Generation | Expedition II |
| Type (Engine) | 5.4 i V8 24V (300 Hp) 4WD Automatic |
| Start of production | 2005 |
| End of production | 2006 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7-9 |
| Doors | 5 |
| Fuel consumption (economy) – urban (EPA) | 16.8 l/100 km (14 US mpg, 16.8 UK mpg) |
| Fuel consumption (economy) – extra urban (EPA) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.5 kg/Hp, 118 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 194.7 Nm/tonne |
| Power | 300 Hp @ 5000 rpm |
| Power per litre | 55.5 Hp/l |
| Torque | 495 Nm @ 3750 rpm (365.09 lb.-ft. @ 3750 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 | 18.4 l (19.44 US qt | 16.19 UK qt) |
| Kerb Weight | 2543 kg (5606.36 lbs.) |
| Max. weight | 3310 kg (7297.3 lbs.) |
| Max load | 767 kg (1690.95 lbs.) |
| Trunk (boot) space – minimum | 586 l (20.69 cu. ft.) |
| Trunk (boot) space – maximum | 3129 l (110.5 cu. ft.) |
| Fuel tank capacity | 106 l (28 US gal | 23.32 UK gal) |
| Permitted trailer load with brakes (12%) | 3901 kg (8600.23 lbs.) |
| Length | 5228 mm (205.83 in.) |
| Width | 2000 mm (78.74 in.) |
| Width with mirrors folded | 2029 mm (79.88 in.) |
| Width including mirrors | 2392 mm (94.17 in.) |
| Height | 1944 mm (76.54 in.) |
| Wheelbase | 3023 mm (119.02 in.) |
| Front track | 1701 mm (66.97 in.) |
| Rear (Back) track | 1708 mm (67.24 in.) |
| Front overhang | 980 mm (38.58 in.) |
| Rear overhang | 1226 mm (48.27 in.) |
| Ride height (ground clearance) | 236 mm (9.29 in.) |
| Minimum turning circle (turning diameter) | 11.9 m (39.04 ft.) |
| Approach angle | 22.7° |
| Departure angle | 21.7° |
| Ramp-over (brakeover) angle | 19.2° |
| 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 | 4 gears, automatic transmission |
| Front suspension | Double wishbone, Transverse stabilizer, Air Suspension – Optional |
| Rear suspension | Double wishbone, Transverse stabilizer, Air Suspension – Optional |
| Front brakes | Ventilated discs, 330 mm |
| Rear brakes | Ventilated discs, 343 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 265/70 R17 |
| Wheel rims size | 17 |
INTRODUCTION
The Ford Expedition II 5.4 i V8 24V (300 Hp) 4WD Automatic, produced from 2005 to 2006, represents the pinnacle of the second-generation Expedition lineup. Built on the U246 platform, it offered a substantial upgrade in power and capability compared to the base models. This generation aimed to improve upon the first Expedition’s shortcomings, offering a more refined interior, improved ride quality, and enhanced safety features. The 5.4-liter V8 and automatic transmission combination was specifically geared towards customers who frequently towed trailers, boats, or other heavy loads, and required a robust and reliable powertrain.
Powertrain & Engine Architecture
At the heart of this Expedition variant lies Ford’s 5.4-liter Triton V8 engine. Designated as the engine code 3V, this engine featured a three-valve per cylinder design, enhancing both power and efficiency. The engine utilizes a sequential multi-port fuel injection system, delivering precise fuel metering for optimal combustion. The valvetrain employs a single overhead camshaft (SOHC) configuration with variable valve timing (VCT) to optimize performance across the rev range. Paired with this engine is a four-speed automatic transmission (4R75E), chosen for its durability and ability to handle the engine’s substantial torque output. This transmission features electronic control for smoother shifting and improved responsiveness. The 4WD system is an electronically controlled, on-demand system, automatically engaging the front wheels when rear wheel slip is detected.
Driving Characteristics
The 300 horsepower and 495 lb-ft of torque delivered by the 5.4-liter V8 provided the Expedition II with strong acceleration and effortless cruising. While not a sports car, the Expedition II offered ample power for merging onto highways and passing other vehicles. The four-speed automatic transmission, while not as sophisticated as newer transmissions with more gears, provided smooth and predictable shifts. Compared to the smaller 4.6-liter V8 offered in lower trims, the 5.4-liter engine provided a noticeable increase in performance, particularly when towing. However, the added weight of the larger engine and 4WD system did impact fuel economy. The gear ratios were optimized for towing, with a lower first gear for quick starts and a higher final drive ratio for relaxed highway cruising.
Equipment & Trim Levels
The 5.4-liter Expedition II typically came well-equipped, often including features like leather upholstery, power-adjustable front seats, a premium sound system, and rear-seat entertainment options. Standard features included air conditioning, power windows and locks, and keyless entry. Optional extras included a navigation system, sunroof, and upgraded alloy wheels. Trim levels varied, but the 5.4-liter engine was generally offered in the higher trims, such as the XLT and Limited, which added more luxury features and convenience items. The interior typically featured woodgrain accents and a more refined overall design compared to the base models.
Chassis & Braking
The Expedition II utilized a body-on-frame construction, providing a robust and durable platform for heavy-duty use. The suspension system consisted of an independent double wishbone setup at the front and a solid rear axle with leaf springs. Air suspension was available as an option, providing adjustable ride height and improved ride comfort. Braking duties were handled by ventilated disc brakes on all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) was standard, enhancing safety and control during emergency braking situations. The chassis was designed to handle the substantial weight of the vehicle and its occupants, as well as the added load of towing.
Market Reception & Comparison
The Ford Expedition II 5.4 i V8 24V (300 Hp) 4WD Automatic was generally well-received by critics and consumers alike. It was praised for its powerful engine, spacious interior, and impressive towing capacity. However, fuel economy was a common criticism, as expected for a vehicle of this size and weight. Compared to other full-size SUVs of the time, such as the Chevrolet Tahoe and GMC Yukon, the Expedition offered a competitive combination of features, performance, and price. The 5.4-liter engine provided a noticeable advantage in terms of horsepower and torque compared to some of its competitors.
Legacy
The 5.4-liter Triton V8 engine, while generally reliable, has been known to exhibit some common issues over time, including spark plug breakage and timing chain wear. However, with proper maintenance, these engines can provide many years of service. Today, the 2005-2006 Ford Expedition II 5.4 i V8 24V (300 Hp) 4WD Automatic remains a popular choice in the used car market, particularly among those seeking a capable and affordable full-size SUV. Its robust powertrain and spacious interior continue to appeal to buyers who need a vehicle that can handle a variety of tasks, from daily commuting to weekend adventures. The availability of parts and relatively straightforward maintenance procedures contribute to its continued appeal.
