The 2018 Harley-Davidson FLSL, also known as the Softail Slim, is a modern interpretation of the classic bobber aesthetic. Introduced in 2018 as part of the new Softail platform, it embodies a minimalist, stripped-down design reminiscent of post-World War II customs. This model year is particularly notable for its updated chassis and Milwaukee-Eight engine. Its popularity stems from its vintage appeal combined with modern performance, making it a favorite for riders seeking timeless style with contemporary capabilities. Pricing for a new 2018 FLSL typically ranged from $17,249.
The Good
The 2018 FLSL excels with its classic, understated design that appeals to the soul. Its Milwaukee-Eight engine offers strong performance, while the updated chassis enhances handling. Comfort is prioritized for cruising, and its iconic Harley-Davidson branding provides enduring value and pride of ownership.
The Bad
Potential weaknesses for the 2018 FLSL include its relatively limited suspension travel, which can lead to a firm ride over rough roads. Some riders also note the bike's weight, which can be a factor in slow-speed maneuvering. The minimalist design also means fewer creature comforts and less integrated storage.
2018 Harley-Davidson FLSL: Quick Overview
- Engine: The 2018 Harley-Davidson FLSL Softail Slim exclusively features the 107 cubic inch (1745cc) Milwaukee-Eight V-twin engine. This is a liquid-cooled, 4-valve per cylinder, overhead valve engine with a 45-degree V-twin configuration.
- Horsepower: While Harley-Davidson typically doesn't officially state horsepower figures, independent tests and manufacturer estimates place the Milwaukee-Eight 107 engine at around 93 horsepower at 5,020 rpm.
- Torque: The engine produces approximately 114 lb-ft of torque at 3,250 rpm, providing strong low-end grunt for effortless acceleration.
- Fuel Economy: Official EPA estimates for the 2018 FLSL hover around 50-55 mpg combined, though real-world mileage will vary significantly based on riding style, conditions, and speed.
- 0-60 Times: Given its focus on cruising rather than outright speed, 0-60 mph times are generally in the 4.5 to 5.5-second range, depending on the rider and conditions.
- Towing Capacity: As a cruiser motorcycle, the 2018 Harley-Davidson FLSL is not designed or rated for towing.
- Trim-Level Features (FLSL Softail Slim):
- Minimalist, authentic bobber styling with a classic look.
- Detachable windshield for optional wind protection.
- Vintage-inspired seat and fender treatments.
- Blacked-out components with chrome accents.
- Single instrument gauge with a digital display.
- LED Daymaker headlamp.
- 16-inch front and rear wheels with classic spokes.
- Standard ABS (Anti-lock Braking System).
- Milwaukee-Eight 107 engine.
- Softail frame with monoshock rear suspension for improved handling and ride quality over previous generations.
- Standard security package (H-D Smart Security System) with proximity-based key fob.
2018 Harley-Davidson FLSL Specifications
Vehicle Information
| Year | 2018 |
| Make | Harley-Davidson |
| Model | FLSL |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | United States |
| Manufacturing City | KANSAS CITY |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 1750CC |
| Engine Size | 1750L |
| Engine Cylinders | 2 |
| Transmission | 6-Speed Manual |
| Transmission Type | Manual |
| Transmission Speeds | 6-Speed |
| 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 FLSL Have?
The 2018 model year for the Harley-Davidson Softail line, including the FLSL, marked a significant redesign of the Softail chassis and the introduction of the Milwaukee-Eight engine. While generally well-received, this transition period sometimes brought about specific issues.
One of the more commonly discussed aspects, though not necessarily a "problem," for the 2018 FLSL and other Softail models is the revised suspension. The new monoshock rear suspension, while improving handling, can result in a firmer ride compared to previous generations, which some riders found less comfortable on rough pavement. This is more of a characteristic than a defect, but it's worth noting for prospective buyers.
Another point sometimes raised is related to the new electronic throttle control (ETC) system. While modern and efficient, some early adopters reported occasional minor glitches or sensitivity adjustments needed, though these were typically resolved with software updates or dealer adjustments.
For the 2018 model year specifically, there were a few recalls issued by Harley-Davidson that could affect the FLSL. These often pertained to components like the rear brake caliper, ABS control unit, or potentially issues with fuel lines. It is crucial for any buyer of a used 2018 FLSL to verify that all outstanding recalls have been addressed by a qualified Harley-Davidson dealership.
In terms of long-term reliability, the Milwaukee-Eight engine has generally proven to be robust and dependable. However, as with any motorcycle, proper and consistent maintenance is key. Owners who adhere to the recommended service schedule, including regular oil changes, filter replacements, and drivetrain checks, tend to experience fewer issues. Early model year kinks are often ironed out in subsequent production runs, making a well-maintained 2018 model a solid choice, but vigilance regarding recalls and proper upkeep is paramount.
One of the more commonly discussed aspects, though not necessarily a "problem," for the 2018 FLSL and other Softail models is the revised suspension. The new monoshock rear suspension, while improving handling, can result in a firmer ride compared to previous generations, which some riders found less comfortable on rough pavement. This is more of a characteristic than a defect, but it's worth noting for prospective buyers.
Another point sometimes raised is related to the new electronic throttle control (ETC) system. While modern and efficient, some early adopters reported occasional minor glitches or sensitivity adjustments needed, though these were typically resolved with software updates or dealer adjustments.
For the 2018 model year specifically, there were a few recalls issued by Harley-Davidson that could affect the FLSL. These often pertained to components like the rear brake caliper, ABS control unit, or potentially issues with fuel lines. It is crucial for any buyer of a used 2018 FLSL to verify that all outstanding recalls have been addressed by a qualified Harley-Davidson dealership.
In terms of long-term reliability, the Milwaukee-Eight engine has generally proven to be robust and dependable. However, as with any motorcycle, proper and consistent maintenance is key. Owners who adhere to the recommended service schedule, including regular oil changes, filter replacements, and drivetrain checks, tend to experience fewer issues. Early model year kinks are often ironed out in subsequent production runs, making a well-maintained 2018 model a solid choice, but vigilance regarding recalls and proper upkeep is paramount.
How long will the 2018 Harley-Davidson FLSL last?
Based on owner data and typical Harley-Davidson usage, a well-maintained 2018 FLSL can realistically achieve 80,000 to 100,000 miles or more. Harley-Davidson motorcycles are built for the long haul, and the Milwaukee-Eight engine has shown excellent durability. The key to longevity lies in meticulous adherence to the service schedule, including regular oil changes, filter replacements, and checking the drive belt tension. Weaknesses that might emerge over time could include eventual wear on suspension components or minor electrical gremlins if not properly cared for, but the core mechanicals are very robust. Consistent care ensures the FLSL remains a reliable companion for many years and miles.
What Technology & Safety Features are Included?
The 2018 Harley-Davidson FLSL Softail Slim prioritizes a classic riding experience with minimal electronic intrusion, focusing on the core motorcycle feel. As such, its built-in technology suite is relatively modest, aligning with its minimalist, retro aesthetic.
Standard Tech & Safety Features:
Optional Features:
While the FLSL is intentionally sparse on tech, some owners might opt for aftermarket additions. Historically, Harley-Davidson offers various accessories, but for this model year, the focus remains on traditional upgrades like exhaust systems, custom seats, or luggage solutions rather than integrated infotainment. There are no built-in entertainment systems like stereos or navigation as standard on the FLSL.
Driver-Assistance Features:
The 2018 FLSL does not come with any advanced driver-assistance systems (ADAS) such as adaptive cruise control, blind-spot monitoring, or collision avoidance, which are typically found on more modern, feature-rich motorcycles or cars.
Crash-Test Ratings:
Motorcycles, unlike cars, are not subjected to standardized crash-test ratings by organizations like the NHTSA or IIHS. Safety performance is primarily assessed through the effectiveness of features like ABS, strong braking systems, and the overall structural integrity of the frame and components in real-world riding conditions.
Standard Tech & Safety Features:
- Instrumentation: It features a single, classic-looking gauge mounted on the handlebar riser. This gauge incorporates a speedometer, tachometer, fuel level indicator, clock, gear indicator, and trip meters. It also includes a digital display for essential information.
- Lighting: A powerful LED Daymaker headlamp is standard, providing excellent illumination for nighttime riding. LED taillights and turn signals enhance visibility.
- Security: The bike comes equipped with the H-D Smart Security System, which utilizes a proximity-based key fob to arm and disarm the motorcycle's ignition and alarm.
- ABS: Anti-lock Braking System (ABS) is standard on the 2018 FLSL, a crucial safety feature that helps prevent wheel lock-up during hard braking, enhancing control and stability.
- Engine Management: The Milwaukee-Eight engine features electronic sequential port fuel injection (ESPFI) for efficient and reliable fuel delivery.
Optional Features:
While the FLSL is intentionally sparse on tech, some owners might opt for aftermarket additions. Historically, Harley-Davidson offers various accessories, but for this model year, the focus remains on traditional upgrades like exhaust systems, custom seats, or luggage solutions rather than integrated infotainment. There are no built-in entertainment systems like stereos or navigation as standard on the FLSL.
Driver-Assistance Features:
The 2018 FLSL does not come with any advanced driver-assistance systems (ADAS) such as adaptive cruise control, blind-spot monitoring, or collision avoidance, which are typically found on more modern, feature-rich motorcycles or cars.
Crash-Test Ratings:
Motorcycles, unlike cars, are not subjected to standardized crash-test ratings by organizations like the NHTSA or IIHS. Safety performance is primarily assessed through the effectiveness of features like ABS, strong braking systems, and the overall structural integrity of the frame and components in real-world riding conditions.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2018 Harley-Davidson FLSL Prices and Market Value
When new, the 2018 Harley-Davidson FLSL Softail Slim had an MSRP starting around $17,249.
Currently, the used market price for a 2018 FLSL can range significantly, typically falling between $12,000 and $16,000, depending heavily on mileage, condition, modifications, and overall demand.
Harley-Davidson motorcycles generally hold their value well compared to many other brands, benefiting from strong brand loyalty and a robust aftermarket. Depreciation on the FLSL is moderate; it experiences the steepest drop in value in the first few years, but then tends to level off. Factors that positively affect resale value include low mileage, excellent maintenance records, original parts, and desirable factory paint colors. Conversely, excessive modifications that alter the bike's classic aesthetic, damage, or a history of poor maintenance can significantly decrease its market worth.
Currently, the used market price for a 2018 FLSL can range significantly, typically falling between $12,000 and $16,000, depending heavily on mileage, condition, modifications, and overall demand.
Harley-Davidson motorcycles generally hold their value well compared to many other brands, benefiting from strong brand loyalty and a robust aftermarket. Depreciation on the FLSL is moderate; it experiences the steepest drop in value in the first few years, but then tends to level off. Factors that positively affect resale value include low mileage, excellent maintenance records, original parts, and desirable factory paint colors. Conversely, excessive modifications that alter the bike's classic aesthetic, damage, or a history of poor maintenance can significantly decrease its market worth.
2018 Harley-Davidson FLSL Cost of Ownership
Owning a 2018 Harley-Davidson FLSL involves moderate to high long-term costs. Insurance premiums can be substantial, varying by rider profile, location, and coverage level, often more than a sportbike but potentially less than a touring model. Fuel costs are reasonable, with its Milwaukee-Eight 107 engine achieving around 50-55 mpg. Maintenance is a significant factor; expect regular oil changes, drive belt adjustments, and potentially higher costs for specialized Harley-Davidson parts and labor at dealerships. Repairs, especially for major components, can be costly. Overall, it's not an economical bike to own but offers a premium experience that many owners find worth the investment.
2018 Harley-Davidson FLSL Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2018 Harley-Davidson FLSL 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 FLSL Insurance
Insurance for a 2018 Harley-Davidson FLSL is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Harley-Davidson FLSL Compare to Other Motorcycle?
The 2018 Harley-Davidson FLSL Softail Slim competes in the mid-size cruiser segment, primarily against other American and Japanese offerings that emphasize classic styling and comfortable riding.
Key Rivals:
Comparison:
The FLSL stands out with its authentic Harley-Davidson heritage, iconic Milwaukee-Eight engine's torque, and its distinct bobber styling. Its performance is focused on enjoyable, torquey cruising rather than outright speed. In terms of features, it's intentionally minimalist. Reliability is generally good, especially with proper maintenance. Its price is in the mid-to-upper range for the class.
Recommendations:
Key Rivals:
- Indian Scout Bobber: Often considered a direct competitor, the Indian Scout Bobber offers a similar stripped-down, bobber aesthetic. Performance-wise, the Scout's liquid-cooled V-twin is known for its spirited acceleration and power delivery, potentially outperforming the FLSL in raw acceleration. Features are generally comparable, with both bikes focusing on essential riding elements. Reliability for Indian has improved significantly, and both are generally well-regarded. Price-wise, they often compete closely, though specific trims and options can vary.
- Honda Rebel 500/1100: The Honda Rebel series offers a more accessible and often more budget-friendly option, especially the 500. The Rebel 1100, however, enters closer competition with the FLSL in terms of engine size and performance, offering a more modern riding experience with optional DCT. While the Rebel has a distinct modern-retro style, it lacks the iconic Harley-Davidson heritage. Its reliability is typically superb, and its price point is generally lower, making it a practical alternative.
- Kawasaki Vulcan S: The Vulcan S offers a customizable riding experience with its Ergo-Fit system allowing for adjustments to fit various rider sizes. It has a more modern design language compared to the FLSL and a parallel-twin engine that provides smooth power delivery. Performance is adequate for cruising, and features are somewhat more contemporary. Reliability is a strong suit for Kawasaki. Its price point is usually more affordable than the FLSL.
Comparison:
The FLSL stands out with its authentic Harley-Davidson heritage, iconic Milwaukee-Eight engine's torque, and its distinct bobber styling. Its performance is focused on enjoyable, torquey cruising rather than outright speed. In terms of features, it's intentionally minimalist. Reliability is generally good, especially with proper maintenance. Its price is in the mid-to-upper range for the class.
Recommendations:
- Similar Alternative: If the bobber style and authentic V-twin rumble are paramount, the Indian Scout Bobber is a very strong contender. It offers comparable style and a more modern feel in some aspects.
- More Performance-Oriented: For those seeking a bit more punch and modern tech in a cruiser style, the Honda Rebel 1100 (especially with DCT) presents a compelling alternative with excellent reliability and a lower price point.
- Budget-Conscious/Beginner Friendly: The Honda Rebel 500 is an excellent, more affordable option for those new to riding or looking for a lighter, more nimble machine with a modern-retro flair.
Final Verdict: Is the 2018 Harley-Davidson FLSL a Good Motorcycle?
The 2018 Harley-Davidson FLSL Softail Slim is ideally suited for riders who appreciate classic, minimalist styling and the authentic Harley-Davidson V-twin experience. It's perfect for those who enjoy laid-back cruising and want a bike that exudes timeless cool, reminiscent of vintage bobbers, but with modern mechanicals. It is not for riders seeking cutting-edge technology or a plush, forgiving ride over significant bumps.
Whether it's worth buying depends on the conditions. As a used motorcycle, it represents good value, offering the Harley-Davidson experience at a more accessible price point than newer models. Look for well-maintained examples with lower mileage. Buying new in 2018 was for enthusiasts prioritizing that specific model year's launch and updates. For most buyers today, a used 2018 FLSL is a solid choice if the classic bobber aesthetic, torquey engine, and iconic brand appeal are high on their list, and they understand its inherent limitations in terms of comfort and tech.
Whether it's worth buying depends on the conditions. As a used motorcycle, it represents good value, offering the Harley-Davidson experience at a more accessible price point than newer models. Look for well-maintained examples with lower mileage. Buying new in 2018 was for enthusiasts prioritizing that specific model year's launch and updates. For most buyers today, a used 2018 FLSL is a solid choice if the classic bobber aesthetic, torquey engine, and iconic brand appeal are high on their list, and they understand its inherent limitations in terms of comfort and tech.
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