2018 Harley-Davidson Road Glide® Ultra


The ultimate mile-eater for the rider who knows nothing’s out of bounds.

Styling + Features

  • FRAME-MOUNTED SHARK NOSE FAIRING: A distinctive, menacing, mile-hungry design that cuts through the wind like no other fairing in the world.
  • CUSTOM WINDSCREEN: A thirteen and a half inch custom style windscreen that sits between you and the world’s flying insect population.
  • DUAL DAYMAKER™ REFLECTOR LED HEADLAMPS: Darkness-defying headlight that ensures you’ll have no trouble seeing everything out there that needs to be seen.
  • MILWAUKEE-EIGHT® V-TWIN ENGINE: A powerful, cool-running engine with crisp throttle response and a pure, soul-satisfying rumble.
  • RESPONSIVE SUSPENSION: High-performing front and rear suspension with easily adjustable rear shocks put you in control of a plush ride.
  • RELEX™ LINKED BREMO® BRAKES WITH STANDARD ABS: The front and rear brakes are electronically linked to provide exactly the right amount of brake to each tire no matter the road condition. No matter how good you are, this will make you a better rider.
  • PREMIUM BOOM! ™ BOX 6.5 INFOTAINMENT SYSTEM: A stylish 6.5 in. full-color touch screen display with voice activation for hands-free mobile phone, media, and navigation. Delivers powerful, pure sound and dynamic full-range audio.
  • PREMIUM TOUR-PAK® LUGGAGE CARRIER: A sleek yet spacious Tour-Pak luggage carrier with luggage rack that can easily house both rider and passenger helmets along with extra travel essentials.

General Information

Manufacturer Harley-Davidson
Model Year 2018
Model Road Glide® Ultra
Color Electric Blue


Brakes Front and Rear - 32 mm, 4-piston fixed
Wheels Front and Rear - Impeller Cast Aluminum

Front - BW 130/80B17 65H

Rear - BW 180/65B16 81H


Length 102.2 in.

As shipped - 899 lb.

In running order - 937 lb.

Ground Clearance 5.1 in.
Wheelbase 64 in.
Seat Height

Laden - 27.2 in.

Unladen - 28.9 in.


Lighting High beam, neutral, running lights, turn signals, low oil pressure, engine diagnostics, cruise control, speakers, accessory, security system, 6-speed, low fuel warning, ABS.


Engine Twin-Cooled™ Milwaukee-Eight™ 107
Displacement 1,746 cc (107 cu. in.)
Bore x Stroke 3.937 x 4.375 in.
Torque 111.4 ft. / lb. @ 3,250 rpm
Compression Ratio 10.0:1
Fuel System Electronic Sequential Port Fuel Injection (ESPFI)
Fuel Capacity 6 gal.
MPG Rating Combined City / Hwy - 43 mpg
Exhaust Chrome dual exhaust with 4 in. touring mufflers and touring muffler shields
Gear Ratio


1st - 9.593

2nd - 6.65

3rd - 4.938

4th - 4

5th - 3.407

6th - 2.875


Oil Capacity With Filter - 5 qt.
Primary Drive Chain, 34 / 46 ratio
Rake 26°
Trail 6.7 in.
Instrumentation Gauges styled to complement each vehicle. Display features odometer, trip A, trip B, range to empty and gear indicator; and larger tell-tale indicators.


Additional Colors

Vivid Black

Industrial Gray

Twisted Cherry

Electric Blue

Silver Fortune / Black Tempest

Silver Fortune / Sumatra Brown

Wicked Red / Twisted Cherry


Infotainment System - Boom!™ Box 6.5GT

Type - Color

Speakers - 4

Speaker size - 5.25 in. standard

Headset specifications (if equipped) - 16-64 ohms

AM - Standard

Weather band (WB) - Standard

SD card, flash drive and MP3 - via USB connection - Supported

SiriusXM presets - 20 - P&A Upgrade for Boom! Box 6.5GT

Hands-free mobile phone - via Bluetooth - Standard

Rider/passenger intercom - Standard

Vehicle information screen (air temperature, oil pressure and EITMS) - Standard

USB - USB/MTP/iPod/iPhone

Bluetooth - Phone/Media Supported