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2018 Harley-Davidson Ultra Limited Overview, Reviews, Ratings & Specs

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Drew B | November 2, 2025
The 2018 Harley-Davidson Ultra Limited is a pinnacle of the American touring motorcycle, evolving from a long lineage of comfortable, long-distance cruisers. It's a full-dress touring motorcycle, part of Harley-Davidson's iconic Touring family, with model years extending well beyond 2018. Key trims often include variations like the CVO Ultra Limited. Its popularity stems from its unmatched comfort for both rider and passenger, extensive luggage capacity, and the signature V-twin rumble. It stands out for its blend of classic styling with modern touring amenities.
The Good

The 2018 Harley-Davidson Ultra Limited excels in comfort for long rides, generous storage, and a powerful, iconic V-twin engine. Its classic, imposing design appeals emotionally, while its practical features like infotainment and rider aids cater to the sensible buyer. Reliability is generally good with proper maintenance.

The Bad

Owners of the 2018 Harley-Davidson Ultra Limited should watch out for potential issues with the Milwaukee-Eight engine's oil consumption, particularly in earlier production runs. Some also note the bike's significant weight can be a challenge in low-speed maneuvers, and suspension can feel a bit basic for some riders.

2018 Harley-Davidson Ultra Limited: Quick Overview

  • Engine: 107 cubic inch (1745cc) Milwaukee-Eight V-Twin. Some higher trims or later models may have had options for the 114 cubic inch (1868cc) variant.
  • Horsepower: Approximately 93 hp at 5,020 rpm for the 107 engine.
  • Torque: Approximately 114 lb-ft at 3,250 rpm for the 107 engine.
  • Fuel Economy: EPA estimated around 43 mpg combined city/highway. Actual mileage can vary significantly based on riding style and conditions.
  • 0-60 mph: Generally in the 4.5 to 5.5 second range, depending on rider, load, and specific engine variant.
  • Towing Capacity: Not applicable as the motorcycle is not designed or equipped for towing trailers.
  • Transmission: 6-speed Cruise Drive manual transmission with overdrive.
  • Clutch: Hydraulically actuated, wet assist clutch.
  • Brakes: Front: Dual 32 mm, 4-piston fixed calipers with dual 320 mm discs. Rear: Opposed 34 mm, 4-piston fixed caliper with 300 mm disc. Anti-lock Braking System (ABS) is standard.
  • Suspension: Front: 49 mm fork with dual rate springs, 4.6 inches of travel. Rear: Hand-adjustable pre-load, emulsion shocks with 3.0 inches of travel.
  • Tires: Front: Dunlop Harley-Davidson Bias Ply; Rear: Dunlop Harley-Davidson Bias Ply.
  • Wheels: Cast aluminum alloy (standard), often with Batwing fairing.
  • Fuel Capacity: 6.0 gallons.
  • Weight: Approximately 862 lbs (curb weight).
  • Seat Height: Approximately 29.1 inches (laden).
  • Key Trim-Level Features (Ultra Limited):
    • Premium Tour-Pak luggage carrier with integrated passenger backrest
    • Boom! Box 6.5GT infotainment system with touchscreen, navigation, and Bluetooth
    • Premium audio system with 25-watt per channel, 4 speakers
    • Full front and rear fender with chrome accents
    • Heated hand grips
    • Daymaker LED headlamp and fog lamps
    • Cruise control
    • Adjustable rider backrest
    • Chrome engine guards
    • Power outlet
  • Key Trim-Level Features (Ultra Classic - often a predecessor or similar trim): While the Ultra Limited is the top-tier, the Ultra Classic shared many features but might have had slightly less premium components or options. For 2018, the Ultra Limited is the more prevalent designation for the fully loaded model.

2018 Harley-Davidson Ultra Limited Specifications

Vehicle Information
Year 2018
Make Harley-Davidson
Model Ultra Limited
Trim -
Style -
Type Motorcycle
Category Motorcycle
Manufacturing Details
Made In United States
Manufacturing City YORK
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 1750-CC
Engine Size 1750L
Engine Cylinders 2
Transmission Manual
Transmission Type Manual
Transmission Speeds -
Drivetrain Rear-Wheel Drive
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 2018 Harley-Davidson Ultra Limited Have?

The 2018 Harley-Davidson Ultra Limited, like many complex machines, has had some reported issues and concerns over its lifespan, though many owners find them to be reliable touring platforms. A frequently cited concern for the Milwaukee-Eight engine, particularly in the 2017 and 2018 model years, was excessive oil consumption. This could manifest as oil appearing in the air filter or even visible smoke, especially after prolonged high-speed riding or on hot days. Harley-Davidson did issue service bulletins and some bikes received updated oil seals or breather re-routes to mitigate this. Owners experiencing this issue were often advised to monitor oil levels diligently between changes.

Another area where some owners reported dissatisfaction was with the stock suspension. While functional for many, it could feel a bit harsh or underdamped on rougher roads, especially when carrying a passenger and luggage. Upgraded aftermarket suspension components are a popular modification to address this.

The infotainment system, the Boom! Box 6.5GT, while feature-rich, has also been a source of occasional complaints. Issues like screen unresponsiveness, Bluetooth connectivity problems, or navigation glitches have been reported. Software updates from Harley-Davidson have aimed to resolve many of these, but it's worth checking if a bike has had these updates applied.

Regarding recalls, specific to the 2018 model year for various Harley-Davidson Touring bikes, including the Ultra Limited, there have been recalls related to the clutch master cylinder. This recall addressed a potential issue where internal seals could degrade, leading to a loss of clutch function, which is a significant safety concern. Owners should always verify if any recalls have been performed on a pre-owned motorcycle.

Long-term reliability is generally considered good, provided regular maintenance is performed. The Milwaukee-Eight engine is a robust design, and the overall build quality of the Ultra Limited is high, designed for extended mileage. However, the complexity of the electronics and the potential for oil consumption in earlier Milwaukee-Eight models are points to be aware of.

How long will the 2018 Harley-Davidson Ultra Limited last?

Based on owner data and typical usage patterns for a touring motorcycle, the 2018 Harley-Davidson Ultra Limited is expected to provide extensive service. Many owners use these bikes for long-distance touring, accumulating 10,000 to 20,000 miles per year. With diligent maintenance, it's not uncommon to see these motorcycles reach 100,000 miles and beyond. The core mechanical components, including the Milwaukee-Eight engine and the drivetrain, are built for durability. However, as mentioned, some early Milwaukee-Eight models might exhibit higher oil consumption over time, which needs monitoring. Electronic components and accessories, such as the infotainment system, can sometimes be a source of issues at higher mileages. Suspension components may also require servicing or replacement after significant use. Overall, the long-term durability is good, but proactive maintenance is key to mitigating potential weaknesses.

What Technology & Safety Features are Included?

The 2018 Harley-Davidson Ultra Limited is equipped with a comprehensive suite of technology and safety features designed for comfortable and secure long-distance touring. At the heart of its entertainment system is the Boom! Box 6.5GT infotainment system. This unit features a 6.5-inch color touchscreen that serves as the control hub for audio, navigation, and communication. It includes AM/FM radio, a USB port for connecting devices, Bluetooth connectivity for streaming audio and making hands-free calls, and an integrated GPS navigation system. The sound is delivered through premium speakers, typically located in the fairing and lower fairings.

For rider assistance and safety, the 2018 Ultra Limited comes standard with Anti-lock Braking System (ABS), enhancing control during emergency braking situations. It also features cruise control for effortless highway cruising. The lighting system is robust, utilizing a Daymaker LED headlamp and fog lamps, which provide excellent illumination and improve visibility at night and in adverse weather conditions.

While advanced driver-assistance systems (ADAS) common in modern cars are not present on this motorcycle, the focus is on enhancing the rider's experience and safety through intelligent design and essential electronics. Optional features often included premium paint schemes, heated grips for colder weather riding, and sometimes upgraded internal components for the infotainment system or audio amplification.

Regarding crash-test ratings, motorcycles are not subjected to standardized crash testing in the same way as automobiles by organizations like NHTSA or IIHS. Therefore, specific crash-test ratings for the 2018 Harley-Davidson Ultra Limited are not available. Safety is primarily addressed through the bike's design, braking systems, lighting, and rider aids like ABS.

What Colors Options are Available?

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2018 Harley-Davidson Ultra Limited Prices and Market Value

When new, the 2018 Harley-Davidson Ultra Limited had an MSRP typically starting in the high $20,000s, with prices escalating significantly for custom paint options or the CVO variant. Today, the used market offers considerable value. You can expect to find 2018 Ultra Limited models ranging from approximately $18,000 to $25,000, depending heavily on mileage, condition, and any aftermarket customizations. Depreciation for Harley-Davidson touring bikes is generally more favorable than for many other motorcycle brands, especially for well-maintained examples. Factors affecting resale value include mileage (lower is better), originality of parts, condition of paint and chrome, history of maintenance, and the presence of desirable upgrades. Limited edition colors or factory options can also bolster resale value.

2018 Harley-Davidson Ultra Limited Cost of Ownership

Owning a 2018 Harley-Davidson Ultra Limited is generally considered moderately to expensively costly. Insurance premiums can be substantial due to the bike's value and the potential for theft and damage. Fuel costs are reasonable for a large touring bike, with around 43 mpg. Maintenance, especially at dealerships, can be pricey, with regular services costing several hundred dollars. Parts and labor for repairs, particularly for the Milwaukee-Eight engine and electronics, can also add up. While not an economical commuter, its cost is justified by the unparalleled comfort and touring capability it offers for long-distance enthusiasts. Expect annual ownership costs to be in the thousands.

2018 Harley-Davidson Ultra Limited Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity -
City Mileage -
Highway Mileage -

2018 Harley-Davidson Ultra Limited 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

2018 Harley-Davidson Ultra Limited Insurance

Insurance for a 2018 Harley-Davidson Ultra Limited is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.

How Does the 2018 Harley-Davidson Ultra Limited Compare to Other Motorcycle?

The 2018 Harley-Davidson Ultra Limited competes in the premium full-dress touring segment. Its primary rivals include the Honda Gold Wing, Indian Roadmaster, and sometimes the BMW K 1600 Grand America.

Performance: The Ultra Limited's 107 Milwaukee-Eight V-twin offers strong low-end torque, ideal for relaxed cruising and passing. It's less about outright speed and more about the characteristic rumble and feel. The Honda Gold Wing (especially later models) is more technologically advanced and can feel more nimble, offering a sportier ride. The Indian Roadmaster provides a similarly torquey, classic V-twin experience, often considered more refined in suspension and build than Harley-Davidson historically. BMW's K 1600 Grand America offers a powerful inline-six engine, delivering smoother, more potent acceleration and a more premium feel, but at a higher price point.

Features: All these bikes offer comprehensive touring amenities. The 2018 Ultra Limited boasts the Boom! Box 6.5GT infotainment, navigation, and ample storage. The Gold Wing is arguably the tech leader, with advanced infotainment, Apple CarPlay, and often more creature comforts. The Roadmaster competes strongly with its own infotainment, heated seats/grips, and ample storage. The K 1600 Grand America is feature-rich, offering a premium audio system and electric windscreen.

Reliability: Historically, Honda has the edge in overall bulletproof reliability. The Gold Wing is legendary for its durability. Indian has improved significantly, with the Roadmaster being quite reliable. Harley-Davidson's Milwaukee-Eight engine is generally robust, though earlier models had some oil consumption concerns. BMW electronics can sometimes be a point of concern for long-term ownership.

Price: When new, all these bikes are premium offerings. The 2018 Ultra Limited sits in the upper tier. Used prices vary significantly, but the Ultra Limited often offers a slightly more accessible entry point into the full-dress touring segment compared to a similarly aged Gold Wing or K 1600. The Roadmaster often competes very closely in price with the Ultra Limited.

Recommendations:
  • For the ultimate in refined comfort and tech: Honda Gold Wing.
  • For a classic V-twin experience with premium touches: Indian Roadmaster.
  • For a powerful, smooth, and sophisticated European touring experience: BMW K 1600 Grand America (if budget allows).
  • For iconic American style, strong torque, and a vast aftermarket: The 2018 Harley-Davidson Ultra Limited remains a strong contender.

Final Verdict: Is the 2018 Harley-Davidson Ultra Limited a Good Motorcycle?

The 2018 Harley-Davidson Ultra Limited is ideal for experienced riders who prioritize long-distance comfort, ample storage, and the classic American touring experience. It's perfect for couples embarking on cross-country journeys or solo riders who appreciate a substantial, stable machine. This bike is worth buying, particularly on the used market where it offers significant value compared to its new price. Buying used in the $18,000-$25,000 range represents a good opportunity. It's advisable to look for models that have had the oil consumption addressed, if applicable, and to ensure all recalls have been performed. While perhaps not the most technologically advanced or the most nimble, its iconic status, V-twin character, and comfortable ride make it a compelling choice for the dedicated touring enthusiast seeking the quintessential Harley-Davidson experience.

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma