The Lincoln Navigator III, produced from 2008 to 2014, represented the third generation of Lincoln’s full-size luxury SUV. Positioned as a premium alternative to domestic competitors like the Cadillac Escalade and Chevrolet Tahoe, the Navigator III aimed to deliver a blend of spaciousness, comfort, and capability. The 5.4i V8 4×4 Automatic variant, equipped with the Triton engine, served as a mid-range offering within the Navigator lineup, balancing performance with a more accessible price point compared to the top-tier trims. It built upon the foundation of the Ford U326 platform, shared with the Ford Expedition, but distinguished itself through unique styling and a more luxurious interior.
Technical Specifications
| Brand | Lincoln |
| Model | Navigator |
| Generation | Navigator III |
| Type (Engine) | 5.4i V8 (310 Hp) 4×4 Automatic |
| Start of production | 2008 year |
| End of production | 2014 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 8 |
| Doors | 5 |
| Fuel consumption (economy) – urban | 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l) |
| Fuel consumption (economy) – extra urban | 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l) |
| Fuel consumption (economy) – combined | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8.8 kg/Hp, 113.2 Hp/tonne |
| Weight-to-torque ratio | 5.5 kg/Nm, 180.7 Nm/tonne |
| Power | 310 Hp @ 5000 rpm |
| Power per litre | 57.3 Hp/l |
| Torque | 495 Nm @ 3600 rpm (365.09 lb.-ft. @ 3600 rpm) |
| Maximum engine speed | 5400 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 | 105.9 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, VVT |
| 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 | 2739 kg (6038.46 lbs.) |
| Max. weight | 3493 kg (7700.75 lbs.) |
| Max load | 754 kg (1662.29 lbs.) |
| Trunk (boot) space – minimum | 513 l (18.12 cu. ft.) |
| Trunk (boot) space – maximum | 2925 l (103.3 cu. ft.) |
| Fuel tank capacity | 106 l (28 US gal | 23.32 UK gal) |
| Length | 5293 mm (208.39 in.) |
| Width | 2002 mm (78.82 in.) |
| Width including mirrors | 2332 mm (91.81 in.) |
| Height | 1989 mm (78.31 in.) |
| Wheelbase | 3023 mm (119.02 in.) |
| Front track | 1699 mm (66.89 in.) |
| Rear (Back) track | 1702 mm (67.01 in.) |
| Ride height (ground clearance) | 231 mm (9.09 in.) |
| Drag coefficient (Cd) | 0.40 |
| Minimum turning circle (turning diameter) | 12.45 m (40.85 ft.) |
| Approach angle | 21.8° |
| Departure angle | 21.8° |
| Ramp-over (brakeover) angle | 19.2° |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission |
| Front suspension | Independent coil spring |
| Rear suspension | Independent coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 255/70 R18 |
| Wheel rims size | 18 |
Powertrain & Engine Architecture
The heart of the Navigator III 5.4i was Ford’s 5.4-liter Triton V8 engine. This engine, designated within the Ford family as the 3V (three valves per cylinder) variant, utilized a single overhead camshaft (SOHC) design with variable valve timing (VVT). The multi-port fuel injection system delivered fuel directly to each cylinder, optimizing combustion. The engine produced 310 horsepower at 5000 rpm and 495 lb-ft of torque at 3600 rpm. This power was channeled through a six-speed automatic transmission, a crucial component for managing the engine’s output and providing a smooth driving experience. The transmission was calibrated for both towing capability and comfortable highway cruising. The 4×4 system employed an electronic shift-on-the-fly mechanism, allowing the driver to seamlessly switch between two-wheel drive and four-wheel drive modes depending on road conditions.
Driving Characteristics
The 5.4-liter V8 and six-speed automatic combination in the Navigator III delivered adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph typically took around 7.5 to 8.5 seconds. While the engine provided sufficient torque for towing and hauling, it lacked the responsiveness of some competitors with smaller, turbocharged engines. The automatic transmission generally shifted smoothly, but could sometimes feel hesitant during quick acceleration. Compared to the Navigator trims equipped with the more powerful 6.2-liter V8, the 5.4i offered a more relaxed driving experience, prioritizing comfort over outright speed. The gear ratios were optimized for highway cruising, resulting in a relatively quiet and composed ride at higher speeds.
Equipment & Trim Levels
The Navigator III 5.4i 4×4 Automatic typically came standard with features such as leather upholstery, tri-zone automatic climate control, a premium audio system, power-adjustable front seats, and a rear entertainment system. Optional extras included power-folding running boards, a navigation system, and upgraded interior trim packages. The exterior featured chrome accents, alloy wheels, and power-adjustable heated mirrors. The interior design emphasized luxury and spaciousness, with ample room for passengers and cargo. The 5.4i trim level generally positioned itself as a step above the base model, offering a more comprehensive set of features without reaching the price point of the fully-loaded trims.
Chassis & Braking
The Navigator III utilized a body-on-frame construction, providing a robust and durable platform. The suspension system consisted of independent coil springs at both the front and rear, offering a comfortable ride quality. Ventilated disc brakes were standard on all four wheels, providing adequate stopping power. An anti-lock braking system (ABS) was also included as standard equipment. The rear track width was slightly wider than the front, contributing to stability. The Navigator’s relatively high ground clearance of 9.09 inches enhanced its off-road capability, although it was primarily designed for on-road comfort and convenience.
Market Reception & Comparison
The Lincoln Navigator III 5.4i 4×4 Automatic received generally positive reviews, with critics praising its spacious interior, comfortable ride, and towing capability. However, some reviewers noted its relatively low fuel economy and lack of sporty handling. Compared to the Chevrolet Tahoe and GMC Yukon, the Navigator offered a more luxurious interior and a more refined driving experience. However, the Tahoe and Yukon often offered lower price points and comparable performance. Fuel economy was a common criticism, averaging around 16 mpg combined, which was relatively poor for a vehicle in its class. Reliability was generally good, although some owners reported issues with the electronic systems and the automatic transmission.
Legacy
The Lincoln Navigator III 5.4i V8 4×4 Automatic remains a popular choice in the used car market, particularly for buyers seeking a spacious and comfortable full-size SUV with towing capability. The Triton engine, while known for its durability, requires regular maintenance, including oil changes and spark plug replacements. The six-speed automatic transmission is generally reliable, but can be prone to issues if not properly maintained. Overall, the Navigator III 5.4i represents a solid value for buyers looking for a well-equipped and capable luxury SUV at a reasonable price point. Its blend of American comfort and capability continues to appeal to a wide range of drivers.
