Harley-Davidson Sportster Iron 883 Dark Custom - 2018 Specifications and Reviews
The 2018 Harley-Davidson Sportster Iron 883 Dark Custom is a lightweight, accessible cruiser designed for new and returning riders seeking authentic Harley styling with manageable performance. Its minimalist dark aesthetic, low 25.7-inch seat height, and nimble 544-pound dry weight make it ideal for urban commuting and laid-back weekend cruising. Known for its retro iron-head character and approachable power delivery, this entry-level Sportster emphasizes classic motorcycle culture over raw performance.
General information | |
| Category | Custom / cruiser |
| Year | 2018 |
| Model | Harley-Davidson Sportster Iron 883 Dark Custom |
| | |
Engine and Transmission Specifications | |
| Exhaust system | Black, staggered shorty exhaust with dual mufflers |
| Greenhouse gases | 111.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 4.80 litres/100 km (20.8 km/l or 49.00 mpg) |
| 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 system | Injection. Electronic Sequential Port Fuel Injection (ESPFI) |
| Bore x Stroke | 76.2 x 96.8 mm (3.0 x 3.8 inches) |
| Compression | 9.0:1 |
| Torque | 68.00 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 4750 RPM |
| Power | 51.00 HP (37.2 kW) @ 6000 RPM |
| Engine details | Air-cooled, Evolution® |
| Engine type | V2, four-stroke |
Brakes, suspension, Frame and wheels | |
| Wheels | Black 9 Spoke with Machined Highlights |
| Rear brakes diameter | 300 mm (11.8 inches) |
| Rear brakes | Single disc. Optional ABS, dual piston |
| Front brakes diameter | 300 mm (11.8 inches) |
| Front brakes | Single disc. Optional ABS, dual piston |
| Rear tyre | 150/80-B16 |
| Front tyre | 100/90-B19 |
| Rear Suspension | Twin shocks. |
| Front Suspension | Telescopic fork |
| Trail | 117 mm (4.6 inches) |
| Rake (fork angle) | 26.0° |
| | |
Physical measures and capacities | |
| Oil capacity | 2.60 litres (0.17 quarts) |
| Fuel capacity | 12.50 litres (3.30 gallons) |
| Wheelbase | 1,515 mm (59.6 inches) |
| Ground clearance | 100 mm (3.9 inches) |
| Overall length | 2,179 mm (85.8 inches) |
| Seat height | 653 mm (25.7 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.2065 HP/kg |
| Weight incl. oil, gas, etc | 256.0 kg (564.4 pounds) |
| Dry weight | 247.0 kg (544.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Light | High beam, neutral, low oil pressure, turn signals, engine diagnostics, low fuel warning, low battery, security system (optional) |
| Instruments | Handlebar-mounted electronic speedometer with odometer, time-of-day clock, dual tripmeter, low fuel warning light, low oil pressure light, engine diagnostics readout, LED indicator lights |
| Starter | Electric |
| Color options | Black Denim, Charcoal Denim, Olive Gold, Red Iron Denim, Hard Candy Hot Rod Red Flake |
Performance Profile & Rider Fit
51 hp
Peak Power
6s
0-60 mph
Best For
Track10%
City65%
Cornering35%
Daily Riding55%
Touring30%
Passenger25%
Rider Profile
| Best For | Approachable for newer riders thanks to modest power and a low seat height, though the weight and cruiser geometry still reward some prior riding experience. |
| Purpose | Built for laid-back street cruising and boulevard style rather than outright performance or long-distance touring. |
| Rider Fit | The low 653mm seat and relaxed, feet-forward riding position suit shorter riders and casual, low-effort riding sessions. |
| Character | A classic blacked-out custom cruiser with punchy low-end torque, a thumping air-cooled V-twin soundtrack, and understated dark styling. |
| Not Ideal For | Not the right choice for riders wanting sharp cornering agility, high-speed touring comfort, or any kind of off-road capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2018 Harley-Davidson Sportster Iron 883 Dark Custom is a stylish and powerful motorcycle that delivers a thrilling ride. Its dark custom design exudes a tough and gritty aesthetic, making it stand out on the road. The blacked-out components, including the engine, exhaust, and handlebars, give this bike a distinct and edgy look. The 883cc Evolution engine provides plenty of torque for a responsive and exhilarating riding experience. With its low-slung profile and comfortable seating position, the Iron 883 is a joy to ride for long distances. Overall, the 2018 Harley-Davidson Sportster Iron 883 Dark Custom is a top-notch motorcycle that combines style, performance, and comfort. Its dark custom design and powerful engine make it a standout choice for riders who are looking for a bold and thrilling ride. Whether you're cruising around town or hitting the open road, this bike is sure to turn heads and deliver an unforgettable riding experience.Add a Comment
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