Harley-Davidson Road King Classic - 2018 Specifications and Reviews
The 2018 Harley-Davidson Road King Classic is an iconic cruiser designed for riders seeking classic American styling with modern reliability. Its lightweight frame, comfortable seating position, and accessible 715mm seat height make it ideal for both experienced and newer riders. Known for its timeless chrome detailing, windshield comfort, and smooth 6-speed transmission, it delivers authentic cruiser character for highway touring and leisurely rides.
General information | |
| Category | Touring |
| Year | 2018 |
| Model | Harley-Davidson Road King Classic |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Chrome, 2-1-2 dual exhaust with tapered mufflers |
| Greenhouse gases | 113.7 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 4.90 litres/100 km (20.4 km/l or 48.00 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 | Air |
| Lubrication system | Dry sump |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. Electronic Sequential Port Fuel Injection |
| Bore x Stroke | 100.0 x 111.1 mm (3.9 x 4.4 inches) |
| Compression | 10.0:1 |
| Torque | 150.00 Nm (15.3 kgf-m or 110.6 ft.lbs) @ 3200 RPM |
| Power | 89.00 HP (65.0 kW) @ 5450 RPM |
| Engine details | Milwaukee-Eight® 107, Integrated Oil-Cooler |
| Engine type | V2, four-stroke |
| Capacity: | 1687.97 ccm (103.00 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Optional ABS. 4-piston |
| Front brakes | Double disc. Optional ABS. 4-piston |
| Rear tyre | 180/65-B16 |
| Front tyre | MT90-B16 |
| 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 | 3.80 litres (0.25 quarts) |
| Fuel capacity | 22.71 litres (6.00 gallons) |
| Wheelbase | 1,625 mm (64.0 inches) |
| Ground clearance | 125 mm (4.9 inches) |
| Overall length | 2,420 mm (95.3 inches) |
| Seat height | 715 mm (28.1 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2459 HP/kg |
| Weight incl. oil, gas, etc | 376.0 kg (828.9 pounds) |
| Dry weight | 362.0 kg (798.1 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Windshield. |
| Carrying capacity | Saddle bags |
| Light | High beam, running lights, front fender running lights, 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 | Tank-mounted electronic speedometer with odometer, time-of-day clock on odometer; 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 |
| Starter | Electric |
| Color options | Vivid Black, Bonneville Salt Pearl, Silver Fortune/Sumatra Brown, Twisted Cherry/Silver Fortune, Olive Gold/Black Tempest |
Performance Profile & Rider Fit
89 hp
Peak Power
5.5s
0-60 mph
Best For
Track10%
City40%
Cornering35%
Daily Riding55%
Touring95%
Passenger85%
Rider Profile
| Best For | Best suited to riders with some experience handling heavy, low-slung motorcycles, as the substantial weight demands confident low-speed control. |
| Purpose | Built for long-distance highway cruising and classic American touring rather than speed or sport riding. |
| Rider Fit | A tall and heavy machine that rewards strength and deliberate handling, though its low seat height and relaxed ergonomics ease day-long comfort. |
| Character | A traditional, torque-rich cruiser with timeless styling, a relaxed riding position, and effortless open-road presence. |
| Not Ideal For | Not the right choice for riders wanting sharp cornering agility, off-road capability, or lightweight urban maneuverability. |
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 King Classic is a timeless and iconic motorcycle that offers a perfect blend of classic design and modern technology. The bike features a powerful Milwaukee-Eight 107 engine, delivering impressive performance and a smooth ride. Its classic styling, including leather saddlebags and a windshield, make it the perfect choice for riders looking for a traditional cruiser with a touch of nostalgia. The Road King Classic is also equipped with advanced features such as electronic cruise control and a large touchscreen display, offering convenience and comfort for long rides. With its timeless design and impressive performance, the 2018 Harley-Davidson Road King Classic is a top choice for riders seeking a classic cruiser with modern amenities. Whether you're cruising down the open road or touring through the city, this motorcycle offers a comfortable and powerful ride that is sure to turn heads. Its combination of classic styling and advanced technology make it a versatile and reliable choice for riders of all experience levels. If you're in the market for a motorcycle that delivers on both style and substance, the Road King Classic is certainly worth considering.Add a Comment
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