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Touring Motorcycles

2018Harley-Davidson Road Glide Ultra

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The 2018 Harley-Davidson Road Glide Ultra is a heavyweight touring cruiser designed for long-distance riders seeking premium comfort and technology. It features a distinctive batwing fairing with infotainment system, Bluetooth connectivity, and cruise control, making it ideal for extended highway cruising. Known for its smooth handling and luxury touring capabilities, this bike combines classic Harley styling with modern conveniences for discerning motorcycle enthusiasts.

Capacity
1688.0 ccm
Engine
V-Twin, four-stroke
Gearbox
6-speed
Dry weight
408.0 kg
Seat height
735 mm
Power
90.0 HP (65.7 kW) @ 5450 RPM

What’s new for the 2018 Harley-Davidson Road Glide Ultra

vs the 2017
Spec20172018
Power 91.0 HP (66.4 kW) @ 5450 RPM 90.0 HP (65.7 kW) @ 5450 RPM
Other years 2013 2014 2015 2016 2017 2018 2019

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 44Agility 29Comfort 90Off-road 5Touring 97Road manners 60
Off-road & trail5%
Cornering35%
City riding30%
Daily riding55%
Touring97%
Two-up90%
Track10%
Best for
It's built for effortless long-distance highway touring with full weather protection, storage, and infotainment rather than for spirited riding.
Built for
It has the character of a relaxed, torque-rich cruiser-tourer, delivering smooth, unhurried power and a commanding, stable presence on the open road.
Not ideal for
It's not for riders seeking sharp cornering agility, off-road capability, or a lightweight, nimble city commuter.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 735mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Road Glide Ultra, with a cramped knee angle of around 80 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 750 mm or under — Short Kings →

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Full specifications

Engine
Capacity
1688.0 ccm
Power
90.0 HP (65.7 kW) @ 5450 RPM
CO2 Emissions
143 CO2 g/km
EPA Est. Fuel Consumption
6.09 L/100km (38.6 US mpg)
EPA CO Emissions
2.4 CO g/km
Torque
153.0 Nm (15.6 kgf-m) @ 3250 RPM
Engine type
V-Twin, four-stroke
Fuel consumption
6.10 litres/100 km (16.4 km/l)
Power/weight ratio
0.2206 HP/kg (dry)
Bore x stroke
100.0 x 111.3 mm
Compression
10.0:1
Cooling system
Oil & air
Fuel system
Injection
Starting
Electric
Aspiration
Naturally aspirated
Valves per cylinder
4
Lubrication system
Dry sump
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Belt
Clutch
Multi-plate with diaphragm spring in oil bath
Dimensions & weight
Wheelbase
1625 mm
Overall length
2595 mm
Seat height
735 mm
Dry weight
408.0 kg
Wet weight
425.0 kg
Fuel capacity
18.90 litres
Ground clearance
130 mm
Oil capacity
4.90 litres
Carrying capacity
Saddle bags. Top Box.
Chassis & suspension
Front suspension
Telescopic fork
Rear suspension
Twin shocks
Rake (fork angle)
26.0°
Trail
170 mm
Brakes & wheels
Front brakes
Double disc. ABS. 4-piston
Rear brakes
Single disc. ABS. 4-piston
ABS
Yes
Front tyre
130/80-B17
Rear tyre
180/65-B16
Other
Color options
Vivid Black, Wicked Red/Twisted Cherry, Industrial Gray, Electric Blue, Legend Blue Denim, Silver Fortune/Black Tempest, Silver Fortune/Sumatra Brown
Comments
Small windshield. Cruise control. Alarm. Infotainment. USB. Bluetooth.
Fuel Tank Material
Metal

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 20132015201620182019
Capacity 1688 cc 1688 cc 1688 cc 1688 cc 1868 cc
Dry weight 400 kg 400 kg 407 kg 408 kg 408 kg
Seat height 693 mm 693 mm 735 mm 735 mm 735 mm
Fuel capacity 22.7 L 22.7 L 22.7 L 18.9 L 22.7 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB Review

The 2018 Harley-Davidson Road Glide Ultra is a stunning touring motorcycle that offers a smooth and powerful ride. The iconic design and advanced technology make it a desirable choice for motorcycle enthusiasts. With its Milwaukee-Eight engine, responsive suspension, and comfortable seating, the Road Glide Ultra allows riders to enjoy long journeys with ease and style.

The 2018 Harley-Davidson Road Glide Ultra is a top-of-the-line touring motorcycle with impressive features and a sleek design. From the high-output cooling fan to the responsive Reflex Linked Brembo Brakes with ABS, this motorcycle is built for performance and safety. Whether cruising on the highway or navigating through city streets, the Road Glide Ultra provides an exceptional riding experience that is sure to impress any motorcycle enthusiast.

Common questions

What is the engine size of the Harley-Davidson Road Glide Ultra?

The 2018 Harley-Davidson Road Glide Ultra has a Capacity of 1688.0 ccm (103.01 cubic inches).

What engine power does the Harley-Davidson Road Glide Ultra have?

The 2018 Harley-Davidson Road Glide Ultra has a Power of 90.0 HP (65.7 kW) @ 5450 RPM.

How many gears does the Harley-Davidson Road Glide Ultra have?

The 2018 Harley-Davidson Road Glide Ultra has a Gearbox of 6-speed.

What is the torque of the Harley-Davidson Road Glide Ultra?

The 2018 Harley-Davidson Road Glide Ultra has a Torque of 153.0 Nm (15.6 kgf-m or 112.8 ft.lbs) @ 3250 RPM.

How much does the Harley-Davidson Road Glide Ultra weigh?

The 2018 Harley-Davidson Road Glide Ultra has a Dry weight of 408.0 kg (899.5 pounds).

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