14 August. Friday 2026
Harley-Davidson Road Glide Ultra - 2018 Specifications and Reviews
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.
General information | |
| Category | Touring |
| Year | 2018 |
| Model | Harley-Davidson Road Glide Ultra |
Engine and Transmission Specifications | |
| Exhaust system | Chrome dual exhaust with 4 in. touring mufflers and touring muffler shields |
| Greenhouse gases | 141.5 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 6.10 litres/100 km (16.4 km/l or 38.56 mpg) |
| Driveline | Chain, 34/46 ratio primary drive |
| Clutch | Multi-plate with diaphragm spring in oil bath |
| Transmission type,final drive | Belt |
| Gearbox | 6-speed |
| Cooling system | Oil & air |
| Lubrication system | Dry sump |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection |
| Bore x Stroke | 100.0 x 111.3 mm (3.9 x 4.4 inches) |
| Compression | 10.0:1 |
| Torque | 153.00 Nm (15.6 kgf-m or 112.9 ft.lbs) @ 3250 RPM |
| Power | 90.00 HP (65.7 kW) @ 5450 RPM |
| Engine details | Twin-Cooled™ Milwaukee-Eight® 107 |
| Engine type | V2, four-stroke |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Impeller Cast Aluminum |
| Rear brakes | Single disc. ABS. 4-piston |
| Front brakes | Double disc. ABS. 4-piston |
| Rear tyre | 180/65-B16 |
| Front tyre | 130/80-B17 |
| Rear Suspension | Twin shocks |
| Front Suspension | Telescopic fork |
| Trail | 170 mm (6.7 inches) |
| Rake (fork angle) | 26.0° |
Physical measures and capacities | |
| Oil capacity | 4.90 litres (0.32 quarts) |
| Fuel capacity | 18.90 litres (4.99 gallons) |
| Wheelbase | 1,625 mm (64.0 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall length | 2,595 mm (102.2 inches) |
| Seat height | 735 mm (28.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2206 HP/kg |
| Weight incl. oil, gas, etc | 425.0 kg (937.0 pounds) |
| Dry weight | 408.0 kg (899.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Small windshield. Cruise control. Alarm. Infotainment. USB. Bluetooth. |
| Carrying capacity | Saddle bags. Top Box. |
| Light | High 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) |
| Instruments | Fairing-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 |
| Starter | Electric |
| Color options | Vivid Black, Wicked Red/Twisted Cherry, Industrial Gray, Electric Blue, Legend Blue Denim, Silver Fortune/Black Tempest, Silver Fortune/Sumatra Brown |
Performance Profile & Rider Fit
90 hp
Peak Power
5.2s
0-60 mph
Best For
Track10%
City30%
Cornering35%
Daily Riding55%
Touring97%
Passenger90%
Rider Profile
| Best For | This bike suits experienced riders who are comfortable managing a very heavy, long-wheelbase machine at low speeds and in traffic. |
| Purpose | It's built for effortless long-distance highway touring with full weather protection, storage, and infotainment rather than for spirited riding. |
| Rider Fit | Riders should be reasonably strong and confident with a tall, 425 kg machine, especially when maneuvering at parking-lot speeds, though the low seat height helps shorter riders reach the ground. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1
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.Add a Comment
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