Touring Motorcycles

2021Harley-Davidson Street Glide Special

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The 2021 Harley-Davidson Street Glide Special is a premium touring cruiser designed for long-distance riders seeking comfort and style. Its Milwaukee-Eight 114 engine delivers smooth power and torque, while advanced features like electronic fuel injection and premium suspension cater to highway cruising. Best known for its distinctive batwing fairing, spacious seating, and commanding presence on extended tours.

Capacity: 1868.0 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Dry weight: 359.3 kg
Seat height: 663 mm
Power: 100.0 HP (73.0 kW) @ 5020 RPM

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What’s new for the 2021 Harley-Davidson Street Glide Special

vs the 2020

Spec	2020	2021
Torque	165.4 Nm (16.9 kgf-m or 122.0 ft.lbs) @ 3000 RPM	160.0 Nm (16.3 kgf-m or 118.0 ft.lbs) @ 3250 RPM
Wet weight	379.0 kg (835.6 pounds)	375.1 kg (827.0 pounds)
Seat height	691 mm (27.2 inches)	663 mm (26.1 inches)

Other years 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail5%

Cornering40%

City riding45%

Daily riding65%

Touring95%

Two-up85%

Track15%

Best for: Built primarily for long-distance highway touring with a batwing fairing, hard saddlebags, and integrated infotainment for all-day comfort.
Built for: A classic American cruiser-tourer character, delivering a relaxed, torque-rich V-twin rumble rather than outright speed or sharp cornering agility.
Not ideal for: Not a good fit for riders seeking sporty cornering performance, lightweight agility, or any off-road capability.

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

Will it fit you?

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Your height

Inseam (optional)

Units

At 663mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Harley-Davidson Street Glide Special, with a cramped knee angle of around 70 degrees and a slightly forward 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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Range and running costs

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Units

Currency

Fuel per litre

Riding a year

Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine

Capacity: 1868.0 ccm
Power: 100.0 HP (73.0 kW) @ 5020 RPM
CO2 Emissions: 140 CO2 g/km
EPA Est. Fuel Consumption: 5.96 L/100km (39.5 US mpg)
EPA CO Emissions: 2.8 CO g/km
Torque: 160.0 Nm (16.3 kgf-m) @ 3250 RPM
Engine type: V-Twin, four-stroke
Fuel consumption: 5.20 litres/100 km (19.2 km/l)
Power/weight ratio: 0.2783 HP/kg (dry)
Bore x stroke: 102.0 x 114.3 mm
Compression: 10.5:1
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: 2425 mm
Seat height: 663 mm
Dry weight: 359.3 kg
Wet weight: 375.1 kg
Fuel capacity: 22.70 litres
Ground clearance: 125 mm
Oil capacity: 4.90 litres
Carrying capacity: Saddle bags

Chassis & suspension

Front suspension: Telescopic fork
Rear suspension: Twin shocks
Rake (fork angle): 26.0°
Trail: 173 mm

Brakes & wheels

Front brakes: Double disc. ABS. 4-piston
Rear brakes: Single disc. ABS. 4-piston
ABS: Yes
Front tyre: 130/60-B19
Rear tyre: 180/55-B18

Other

Color options: Vivid Black, River Rock Gray Denim, Billiard Burgundy, Stone Washed White Pearl, Performance Orange, Scorched Orange/Silver Flux, Zephy Blue/Black Sunglo
Comments: Windshield. Cruise control. Alarm. Infotainment.
Fuel Tank Material: Metal

Specs last verified against published sources: October 2026.

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	2014	2017	2019	2021	2022	2024
Capacity	1688 cc	1746 cc	1868 cc	1868 cc	1868 cc	1868 cc
Dry weight	355 kg	361 kg	362 kg	359 kg	359 kg	359 kg
Seat height	663 mm	685 mm	691 mm	663 mm	663 mm	663 mm
Fuel capacity	22.7 L	22.7 L	22.7 L	22.7 L	22.7 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

The 2021 Harley-Davidson Street Glide Special is a stunning motorcycle that offers a combination of power, style, and technology. With its sleek design and powerful engine, this bike is sure to turn heads on the road. The Special edition also comes equipped with premium features such as a Boom! Box GTS infotainment system, advanced navigation, and a sleek, blacked-out finish. The Street Glide Special is a top-of-the-line option for riders who want a high-performance bike that also offers modern conveniences.

Harley-Davidson has outdone themselves with the 2021 Street Glide Special, delivering a motorcycle that offers a smooth ride and impressive performance. The bike's Milwaukee-Eight 114 engine provides plenty of power while the responsive handling makes it a joy to ride. The Special edition also features a bold, aggressive style that sets it apart from other bikes on the market. Overall, the 2021 Harley-Davidson Street Glide Special is a standout motorcycle that is sure to impress both riders and onlookers alike.

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