Harley-Davidson Road Glide - 2018 Specifications and Reviews

The 2018 Harley-Davidson Road Glide is a full-size touring cruiser designed for long-distance riders seeking premium comfort and advanced technology. Known for its distinctive batwing fairing, electronic instrumentation, and hard saddlebag storage, it delivers a commanding road presence with manageable weight distribution. Best suited for experienced cruiser enthusiasts who prioritize touring capability, style, and modern convenience features on extended highway journeys.

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General information

CategoryTouring
Year2018
ModelHarley-Davidson Road Glide
 
 

Engine and Transmission Specifications

Exhaust systemChrome, 2-1-2 dual exhaust with tapered mufflers
Greenhouse gases136.9 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption5.90 litres/100 km (16.9 km/l or 39.87 mpg)
DrivelineChain, 34/46 ratio primary drive
ClutchMulti-plate with diaphragm spring in oil bath
Transmission type,final driveBelt
Gearbox6-speed
Cooling systemOil & air
Lubrication systemDry sump
Fuel systemInjection. ESPFI
Bore x Stroke100.0 x 111.1 mm (3.9 x 4.4 inches)
Compression10.1:1
Torque150.00 Nm (15.3 kgf-m or 110.6 ft.lbs) @ 3250 RPM
Power89.00 HP (65.0 kW) @ 5450 RPM
Engine detailsMilwaukee-Eightâ„¢ 107
Engine typeV2, four-stroke

Brakes, suspension, Frame and wheels

WheelsEnforcer Cast Aluminum
Rear brakesSingle disc. Optional ABS. 4-piston
Front brakesDouble disc. Optional ABS. 4-piston
Rear tyre180/65-B16
Front tyre130/70-B19
Rear SuspensionTwin shocks
Front SuspensionTelescopic fork
Trail173 mm (6.8 inches)
Rake (fork angle)26.0°
 
 

Physical measures and capacities

Oil capacity4.90 litres (0.32 quarts)
Fuel capacity22.71 litres (6.00 gallons)
Wheelbase1,625 mm (64.0 inches)
Ground clearance135 mm (5.3 inches)
Overall length2,450 mm (96.5 inches)
Seat height695 mm (27.4 inches) If adjustable, lowest setting.
Power/weight ratio0.2392 HP/kg
Weight incl. oil, gas, etc388.0 kg (855.4 pounds)
Dry weight372.0 kg (820.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSmall windshield. Cruise control. Infotainment. USB.
Carrying capacityHard saddle bags
LightHigh beam, running lights, front fender light, directional light bar, neutral, low oil pressure, engine diagnostics, turn signals, security system (optional), 6-speed, low fuel warning, cruise control (optional), ABS (optional)
InstrumentsFairing-mounted electronic speedometer with odometer; time-of-day clock on CD player/stereo; dual trip meter; low fuel indicator light and mileage countdown feature; low oil pressure indicator light; engine diagnostics readout; LED indicator lights; 6-speed indicator light Tachometer with fuel, voltage, oil pressure and ambient air temperature gauges
StarterElectric
Color optionsVivid Black, Black Denim, Sumatra Brown, Twisted Cherry, Hard Candy Shattered Flake, Hard Candy Chameleon Flake

Performance Profile & Rider Fit

105 hp
Peak Power
4.3s
0-60 mph

Best For

Track10%
City35%
Cornering45%
Daily Riding55%
Touring95%
Passenger85%

Rider Profile

Best ForThis bike suits experienced riders who are comfortable managing a heavy, long-wheelbase machine at low speeds and in traffic.
PurposeIt's built for covering long interstate miles in comfort with a fairing-mounted stereo and storage rather than for quick errands or sport riding.
Rider FitAt 838 lb wet with a long 64-inch wheelbase, it demands a taller, stronger rider confident with its bulk at parking-lot speeds.
CharacterIt delivers a torquey, unhurried V-twin cruising experience wrapped in Harley's signature bagger touring style.
Not Ideal ForIt's not for riders seeking nimble cornering, off-road capability, or a lightweight, flickable ride.

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

Rider Fit Visualizer

2018 Harley-Davidson Road Glide Rider Ergonomics Assessment

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

Feet:

At 695mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2018 Harley-Davidson Road Glide, 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

Total comments: 1
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MotorcycleDB Review

The 2018 Harley-Davidson Road Glide is a powerful and stylish touring motorcycle that delivers a smooth and comfortable ride. With its iconic shark-nose fairing and sleek design, this bike stands out on the road. Equipped with a Milwaukee-Eight 107 engine, the Road Glide offers impressive performance and handling, making it a popular choice for riders looking for a reliable touring bike. The bike also features a responsive infotainment system, spacious saddlebags, and advanced suspension for a smooth and enjoyable ride on long distances. Overall, the 2018 Harley-Davidson Road Glide is a top-notch touring motorcycle that offers a perfect blend of style, performance, and comfort. With its powerful engine, impressive handling, and advanced features, this bike provides an exceptional riding experience for touring enthusiasts. Whether you're cruising on the open road or tackling long distances, the Road Glide delivers a smooth and enjoyable ride, making it a top choice for riders looking for a reliable and stylish touring motorcycle.
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