Harley-Davidson Softail Deluxe - 2018 Specifications and Reviews

The 2018 Harley-Davidson Softail Deluxe is a cruiser designed for riders seeking classic styling with modern comfort and reliability. Known for its low-slung profile, generous 26.8-inch seat height, and retro aesthetic, it delivers approachable performance with a 6-speed transmission and manageable 696-pound weight. Best suited for riders who prioritize vintage charm and easy handling over raw power.

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General information

CategoryCustom / cruiser
Year2018
ModelHarley-Davidson Softail Deluxe

Engine and Transmission Specifications

Exhaust system2-into-2 shorty dual; catalyst in muffler
Greenhouse gases127.6 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption5.50 litres/100 km (18.2 km/l or 42.77 mpg)
DrivelinePrimary chain, 34/46 ratio
ClutchMulti-plate with diaphragm spring in oil bath
Transmission type,final driveBelt
Gearbox6-speed
Cooling systemAir
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Electronic Sequential Port Fuel Injection
Bore x Stroke98.4 x 111.1 mm (3.9 x 4.4 inches)
Compression9.7:1
Torque145.00 Nm (14.8 kgf-m or 107.0 ft.lbs) @ 3000 RPM
Power86.00 HP (62.8 kW) @ 5020 RPM
Engine detailsMilwaukee-Eight® 107
Engine typeV2, four-stroke
 
 

Brakes, suspension, Frame and wheels

WheelsChrome Steel Laced
Rear brakesSingle disc. ABS. 2-piston
Front brakesSingle disc. ABS. 4-piston
Rear tyreMU85-B16
Front tyreMT90-B16
Rear SuspensionTwin shocks
Front SuspensionTelescopic fork
Trail145 mm (5.7 inches)
Rake (fork angle)30.0°
 
 

Physical measures and capacities

Oil capacity4.70 litres (0.31 quarts)
Fuel capacity18.93 litres (5.00 gallons)
Wheelbase1,635 mm (64.4 inches)
Ground clearance115 mm (4.5 inches)
Overall length2,415 mm (95.1 inches)
Seat height680 mm (26.8 inches) If adjustable, lowest setting.
Power/weight ratio0.2838 HP/kg
Weight incl. oil, gas, etc316.0 kg (696.7 pounds)
Dry weight303.0 kg (668.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
LightHigh beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
InstrumentsTank-mounted electronic speedometer with odometer, time-of-day clock on odometer, dual tripmeter, RPM/gear display, fuel gauge with low fuel warning light and countdown feature, low oil pressure indicator light, engine diagnostics readout, LED indicator lights, 6-speed indicator light
StarterElectric
Color optionsVivid Black, Twisted Cherry, Electric Blue, Silver Fortune/Sumatra Brown, Wicked Red/Twisted Cherry

Performance Profile & Rider Fit

86 hp
Peak Power
5.5s
0-60 mph

Best For

Track10%
City45%
Cornering30%
Daily Riding60%
Touring68%
Passenger72%

Rider Profile

Best ForSuits riders from intermediate upward who are comfortable managing a heavy, low-slung cruiser at low speeds and in parking maneuvers.
PurposeBuilt for relaxed boulevard cruising and classic Harley styling rather than outright speed or sport handling.
Rider FitThe very low seat height makes it approachable for shorter riders, but the substantial wet weight demands confidence handling bulk at a standstill and in tight turns.
CharacterA laid-back, torque-rich cruiser with deep exhaust character and classic Softail styling that rewards a smooth, unhurried riding style.
Not Ideal ForNot suited to riders seeking sharp cornering agility, off-road capability, or high-speed sport performance.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 Harley-Davidson Softail Deluxe Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 680mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Softail Deluxe, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

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MotorcycleDB Review

The 2018 Harley-Davidson Softail Deluxe is a stunning motorcycle that perfectly combines classic styling with modern performance. Its retro design features a timeless chrome and gloss black finish, as well as iconic whitewall tires and a classic leather seat. The powerful Milwaukee-Eight engine provides excellent acceleration and a smooth ride, while the updated suspension and chassis offer improved handling and control. With its comfortable riding position and advanced technology, the Softail Deluxe is a great choice for riders looking for a stylish and reliable cruiser. Overall, the 2018 Harley-Davidson Softail Deluxe is a top-of-the-line motorcycle that delivers on both style and performance. Its classic design, powerful engine, and advanced features make it a standout choice for riders who appreciate a timeless look with modern capabilities. Whether you're cruising around town or hitting the open road, the Softail Deluxe offers a comfortable and exhilarating riding experience that is sure to impress.
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