The Lincoln Navigator, launched in 1998, represented Lincoln’s entry into the burgeoning full-size SUV market. Designed to compete with offerings from Cadillac and GMC, the first-generation Navigator (1998-2002) was based on the Ford Expedition and shared its underlying platform. The 5.4-liter V8 4×4 Automatic variant, produced from 1998 to 1999, occupied a significant position in the Navigator lineup, offering a blend of luxury, capability, and power aimed at buyers needing substantial towing capacity and passenger space. This model year is particularly notable as the initial offering of the Navigator nameplate.
Technical Specifications
| Brand | Lincoln |
| Model | Navigator |
| Generation | Navigator I |
| Type (Engine) | 5.4 V8 (260 Hp) 4×4 Automatic |
| Start of production | 1998 |
| End of production | 1999 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 8 |
| Doors | 5 |
| Fuel consumption (urban) | 19.6 l/100 km (12 US mpg, 14.4 UK mpg, 5.1 km/l) |
| Fuel consumption (extra urban) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel consumption (combined) | 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 9.7 kg/Hp, 103.2 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 185.7 Nm/tonne |
| Power | 260 Hp @ 4500 rpm |
| Power per litre | 48.1 Hp/l |
| Torque | 468 Nm @ 2300 rpm (345.18 lb.-ft. @ 2300 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 | 9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 5.7 l (6.02 US qt | 5.02 UK qt) |
| Coolant | 19.7 l (20.82 US qt | 17.33 UK qt) |
| Kerb Weight | 2520 kg (5555.65 lbs.) |
| Trunk (boot) space – minimum | 1832 l (64.7 cu. ft.) |
| Trunk (boot) space – maximum | 3295 l (116.36 cu. ft.) |
| Fuel tank capacity | 114 l (30.12 US gal | 25.08 UK gal) |
| Length | 5202 mm (204.8 in.) |
| Width | 2030 mm (79.92 in.) |
| Height | 1948 mm (76.69 in.) |
| Wheelbase | 3023 mm (119.02 in.) |
| Front track | 1661 mm (65.39 in.) |
| Rear (Back) track | 1664 mm (65.51 in.) |
| Ride height (ground clearance) | 221 mm (8.7 in.) |
| Drag coefficient (Cd) | 0.43 |
| Minimum turning circle (turning diameter) | 12.3 m (40.35 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 4 gears, automatic transmission |
| Front suspension | Air suspension |
| Rear suspension | Air suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Power steering | Hydraulic Steering |
| Tires size | 245/75 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the 1998-1999 Lincoln Navigator 4×4 Automatic was the Ford Triton 5.4-liter V8 engine. This engine, part of Ford’s modular engine family, featured a cast-iron block with aluminum cylinder heads. The engine utilized a single overhead camshaft (SOHC) design with two valves per cylinder. Fuel delivery was managed by a multi-port fuel injection system, providing precise fuel metering for optimal performance and efficiency. The engine produced 260 horsepower at 4500 rpm and 468 lb-ft of torque at 2300 rpm. This torque output was particularly important for towing and hauling. The engine was mated to a four-speed automatic transmission, specifically designed to handle the engine’s substantial torque. This transmission was electronically controlled, offering smooth and responsive shifting.
Driving Characteristics
The 5.4-liter V8 and four-speed automatic combination delivered adequate, though not exhilarating, performance. Acceleration from 0 to 60 mph was typically in the 8-9 second range. The automatic transmission, while smooth, wasn’t particularly quick to downshift, resulting in a slightly less responsive feel compared to the available manual transmission in the Ford Expedition (the Navigator’s platform twin). However, the Navigator excelled in providing effortless cruising and substantial towing capacity – up to 6,500 pounds when properly equipped. The 4×4 system provided confident traction in various weather conditions. The air suspension, standard on this trim, contributed to a comfortable ride, absorbing bumps and irregularities in the road surface effectively.
Equipment & Trim Levels
The Lincoln Navigator, even in its base configuration, was well-equipped. Standard features included leather upholstery, power-adjustable front seats, a premium sound system, automatic climate control, and power windows and locks. The 1998-1999 Navigator 4×4 Automatic typically included features like a limited-slip differential, heavy-duty suspension components, and upgraded brakes. Optional extras included a power moonroof, a navigation system (a relatively new feature at the time), and upgraded audio options. The interior design emphasized luxury and spaciousness, with woodgrain accents and a generally upscale aesthetic.
Chassis & Braking
The Navigator’s chassis was a body-on-frame construction, providing a robust and durable platform. The front suspension utilized an independent air suspension system, while the rear suspension also employed an air suspension setup. This air suspension allowed for adjustable ride height and provided a comfortable ride quality. Braking duties were handled by ventilated discs at all four corners, providing adequate stopping power for a vehicle of this size and weight. An anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The Lincoln Navigator was generally well-received by critics and consumers alike. It was praised for its spacious interior, comfortable ride, and powerful engine. However, its fuel economy was a common criticism, with the 5.4-liter V8 consuming a significant amount of gasoline. Compared to the Ford Expedition, the Navigator offered a more luxurious interior and a more refined driving experience. Compared to the Cadillac Escalade, the Navigator often offered a better value proposition, with similar features at a lower price point. The 1.8L and smaller engine Expeditions were aimed at a different buyer, prioritizing fuel economy over outright towing and hauling capability.
Legacy
The first-generation Lincoln Navigator established the brand as a serious contender in the full-size SUV segment. The 5.4-liter Triton V8 proved to be a relatively reliable engine, although it was known for potential spark plug issues in some cases. Today, well-maintained examples of the 1998-1999 Navigator 4×4 Automatic are sought after by collectors and enthusiasts. While fuel economy remains a concern, the Navigator’s combination of luxury, capability, and classic styling continues to appeal to a dedicated following. The Navigator’s success paved the way for subsequent generations, solidifying its position as a flagship model for the Lincoln brand.
