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1998 Freightliner X-Line Motorhome Overview, Reviews, Ratings & Specs

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Simon A | October 27, 2025
The 1998 Freightliner X-Line Motorhome represents a robust and customizable option in the Class A RV segment. Built on a reliable Freightliner chassis, these motorhomes were typically offered with various floor plans and luxury appointments, catering to discerning RV enthusiasts. While specific trims varied by coachbuilder, the X-Line designation often denoted a higher-end, well-appointed model. These were generally custom-built, so precise model years and pricing are fluid, but they were a significant investment new, reflecting their premium construction and features, making them popular for their durability and spacious living.
The Good

The 1998 Freightliner X-Line Motorhome excels in its foundational reliability, offering a sturdy and dependable platform for travel. Its spacious and customizable interiors provide unparalleled comfort for extended journeys, appealing to the desire for a home away from home. The powerful chassis ensures confident handling, satisfying practical needs while its luxurious appointments evoke a sense of freedom and adventure.

The Bad

Potential weaknesses for the 1998 Freightliner X-Line Motorhome include the age-related wear on components, particularly plumbing, electrical systems, and appliances. The sheer size can make maneuvering challenging for inexperienced drivers, and thorough inspections of the chassis and house systems are crucial to identify any hidden issues.

1998 Freightliner X-Line Motorhome: Quick Overview

  • Engine Options: The 1998 Freightliner X-Line Motorhome was typically powered by robust diesel engines. Common options included the Cummins ISC and ISL series. These were known for their durability and torque, essential for moving a large motorhome. Specific displacements varied, but engines like the 8.3L Cummins were prevalent, providing ample power for towing and climbing grades.
  • Horsepower: Horsepower ratings for these engines generally ranged from approximately 250 hp to over 300 hp, depending on the specific engine model and tuning. This provided sufficient power for comfortable highway cruising and manageable hill performance.
  • Fuel Economy: As with most large diesel motorhomes of this era, fuel economy was not a primary selling point. Owners could typically expect mileage in the range of 8 to 12 miles per gallon (MPG), heavily influenced by driving conditions, speed, and terrain.
  • 0-60 Times: Precise 0-60 mph times are rarely documented for motorhomes of this vintage, as performance metrics were not a focus. However, given the weight and engine power, acceleration would be gradual, likely in the 20-30 second range or longer, prioritizing steady progress over speed.
  • Towing Capacity: The towing capacity is largely dependent on the specific chassis configuration and the installed hitch. Freightliner chassis are robust and can typically handle significant towing loads, often in the range of 5,000 to 10,000 pounds, allowing for towing a car or a smaller trailer.
  • Trim-Level Features: The X-Line designation generally implied a higher level of luxury and customization. Key trim-level features would have included high-quality interior materials such as solid wood cabinetry, granite countertops, premium upholstery, and advanced appliance packages. Expect features like multi-zone climate control, generator power, full bathrooms with separate showers, and well-appointed living and sleeping areas. Many were custom-built, so features could vary significantly between individual units. Entertainment systems, satellite connectivity, and elaborate lighting were also common.

1998 Freightliner X-Line Motorhome Specifications

Vehicle Information
Year 1998
Make Freightliner
Model X-Line Motorhome
Trim -
Style -
Type Truck
Category Medium Truck
Manufacturing Details
Made In United States
Manufacturing City GAFFNEY
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 5.9-L L-6 Diesel
Engine Size 5.9L
Engine Cylinders 6
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain Forward Front Axle
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 1998 Freightliner X-Line Motorhome Have?

The 1998 Freightliner X-Line Motorhome, being a product of its era, is subject to age-related issues common in RVs. While the Freightliner chassis itself is generally considered robust and reliable, the house components built upon it can present challenges. Frequently reported problems tend to revolve around the systems and appliances that have seen decades of use. This includes potential issues with the plumbing system, such as leaks in pipes or seals, and failing water pumps. The original appliances, including refrigerators, ovens, and air conditioning units, may require servicing or replacement due to wear and tear. The electrical system, including wiring, converters, and inverters, can also be a source of concern; corrosion or insulation breakdown can occur over time. Water damage is a significant concern for any RV of this age. Leaks around windows, roof seals, and awnings can lead to delamination of the sidewalls, soft spots in the flooring, and mold growth. Thorough inspection of the roof and all exterior seals is paramount. While specific recalls for the 1998 Freightliner X-Line Motorhome are not widely publicized as a distinct model, potential chassis-related recalls from Freightliner for components like braking systems or suspension parts could have occurred and would need to be verified with Freightliner directly or through a VIN lookup. Long-term reliability hinges heavily on the maintenance history and the quality of the original build by the coachbuilder. Owners who have meticulously maintained their X-Line units often report fewer major issues, while those with neglected RVs may face a cascade of repairs. The diesel engines, if properly maintained, are generally very reliable, but components like fuel injectors, turbos, and exhaust systems can require attention as they age. Transmission issues are less common but not unheard of in vehicles of this mileage and age. The fundamental chassis and drivetrain are built for longevity, but the living quarters require ongoing diligence.

How long will the 1998 Freightliner X-Line Motorhome last?

Estimating average mileage for a 1998 Freightliner X-Line Motorhome is challenging as RV usage varies greatly. However, many owners travel between 10,000 and 15,000 miles per year. With diligent maintenance, these motorhomes can realistically offer 20 to 30 years of service or more. The Freightliner chassis and its diesel engine are known for exceptional long-term durability, often exceeding 300,000 miles if well-cared for. The main weaknesses over time are the house components: plumbing, electrical systems, appliances, and seals. Water intrusion is a primary nemesis, leading to significant structural damage if not addressed promptly. Regular inspections and preventative maintenance are key to maximizing the lifespan and enjoying the long-term reliability that a well-maintained Freightliner X-Line can provide.

What Technology & Safety Features are Included?

The 1998 Freightliner X-Line Motorhome, while a product of its time, offered a respectable array of technology and safety features for a luxury RV. Built-in tech typically included a central control panel for managing various RV systems like lighting, water tanks, and generator status. Entertainment systems usually consisted of analog televisions (often CRT screens), VCRs, and basic stereo systems with speakers throughout the living area and sometimes exterior entertainment options. Some higher-end models might have featured early satellite TV receivers or CD players. Driver-assistance features were minimal by modern standards. Key safety features included robust seatbelts for the driver and passenger, and typically a rear-view mirror system. More advanced driver aids like backup cameras, lane departure warnings, or adaptive cruise control were not standard and exceedingly rare, if available at all, as optional equipment. The inherent safety of the Freightliner chassis provided a strong foundation with durable construction. Air brakes were standard on most diesel chassis of this era, offering reliable stopping power. Optional features could have included more sophisticated onboard diagnostics, premium sound systems, or even early forms of navigation, though these were less common. Crash-test ratings for motorhomes are not conducted in the same standardized manner as passenger vehicles, so specific crash-test ratings for the 1998 Freightliner X-Line Motorhome are not readily available or comparable. The focus was on robust construction and the integrity of the chassis to withstand road conditions and provide a stable platform. The weight of the vehicle itself contributed to its passive safety. However, the lack of modern electronic stability control and advanced airbags means drivers must exercise extra caution and skill when operating such a large vehicle, especially in adverse conditions.

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1998 Freightliner X-Line Motorhome Prices and Market Value

When new, the 1998 Freightliner X-Line Motorhome represented a significant investment, with prices for such custom-built, luxury Class A motorhomes typically ranging from $150,000 to well over $300,000, depending on the coachbuilder and chosen options. Depreciation has been substantial, as is typical for RVs. Current used market prices can vary widely, often falling between $25,000 and $60,000, heavily influenced by the condition, mileage, and the specific floor plan and amenities. Factors affecting resale value include maintenance history, the overall condition of the chassis and house systems, the absence of water damage or mold, updated appliances or electronics, and the general appeal of the interior decor. A well-maintained and updated unit will command a higher price than one showing significant wear and tear.

1998 Freightliner X-Line Motorhome Cost of Ownership

Owning a 1998 Freightliner X-Line Motorhome involves considerable costs. Insurance premiums will be higher than for a standard vehicle, reflecting its value and size. Fuel costs, due to the diesel engine's moderate MPG, can be substantial for frequent travelers. Maintenance is critical; regular engine servicing, chassis checks, and preventative care for house systems are essential. Repairs can be costly, especially for specialized RV components. Overall, this vehicle is not economical to own. It requires significant budgeting for fuel, ongoing maintenance, and potential repairs, making it a costly, albeit rewarding, investment for passionate RVers.

1998 Freightliner X-Line Motorhome Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

1998 Freightliner X-Line Motorhome Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

1998 Freightliner X-Line Motorhome Insurance

Insurance for a 1998 Freightliner X-Line Motorhome is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 1998 Freightliner X-Line Motorhome Compare to Other Truck?

The 1998 Freightliner X-Line Motorhome competed in a segment of premium Class A motorhomes. Key rivals from that era might include models from manufacturers like Newmar, Tiffin, Monaco, and Fleetwood, often built on their own proprietary chassis or other high-end chassis like Spartan. In terms of performance, a Freightliner chassis generally offered robust hauling power and a stable ride, often comparable to or exceeding that of competitors. Reliability is a mixed bag; the Freightliner chassis itself is typically lauded for its durability, but the complexity of the house systems in these luxury coaches meant that reliability often depended as much on the coachbuilder's assembly quality and subsequent owner maintenance as the chassis. Features in the X-Line were usually competitive, focusing on luxury materials, spacious layouts, and ample amenities, aiming to match or surpass what rivals offered. Price-wise, the X-Line was positioned as a premium offering, so its initial cost was comparable to other high-end RVs. When considering alternatives, if absolute latest technology and creature comforts are paramount, newer models from Tiffin (e.g., Allegro Bus), Newmar (e.g., Mountain Aire), or Thor Motor Coach would offer more advanced features and potentially better fuel efficiency. However, for those seeking the classic luxury, robust build quality, and substantial living space that the 1998 Freightliner X-Line offered, and are willing to undertake maintenance, similar models from its direct competitors like a well-maintained Monaco Executive or a Newmar King Aire from the same vintage would be direct comparisons. A slightly more affordable, yet still reputable, alternative could be a Fleetwood Bounder or Pace Arrow, though they might not offer the same level of ultimate luxury as the X-Line. The key differentiator often lies in the specific coachbuilder's attention to detail and the overall condition of the specific unit.

Final Verdict: Is the 1998 Freightliner X-Line Motorhome a Good Truck?

The 1998 Freightliner X-Line Motorhome is ideal for experienced RVers who value robust construction, spacious living, and a luxurious feel, and who are comfortable with DIY maintenance or have a trusted RV technician. It is certainly worth buying for those seeking a premium Class A experience at a significantly reduced price compared to newer models, provided they conduct a thorough inspection. Buying this vehicle is best done when purchasing used. Focus on units with meticulous maintenance records and no signs of water damage. While not a new purchase, a well-cared-for X-Line can offer years of enjoyable travel for the right buyer who understands its age and potential needs. Prioritize models with a solid maintenance history and inspect all systems thoroughly before committing.

1998 Freightliner X-Line Motorhome Owner Reviews

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.