Naked Motorcycles

2020Ducati Monster 821 Stealth

44 fields on record

The 2020 Ducati Monster 821 Stealth is a nimble, accessible middleweight naked bike ideal for riders seeking manageable performance with classic Italian styling. Known for its approachable 109 horsepower, lightweight chassis, and low seat height, it delivers everyday thrills without overwhelming complexity. Perfect for commuters and enthusiasts wanting authentic Monster character in a user-friendly package.

Capacity: 821.0 ccm
Engine: V-Twin, four-stroke
Gearbox: 6-speed
Dry weight: 180.5 kg
Seat height: 785 mm
Power: 109.0 HP (79.6 kW) @ 9250 RPM

⇄ Compare with another bike ＋ Add to garage All model years

What’s new for the 2020 Ducati Monster 821 Stealth

vs the 2019

Spec	2019	2020
Cooling	Air	Liquid

Other years 2019 2020

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail10%

Cornering92%

City riding80%

Daily riding70%

Touring38%

Two-up45%

Track65%

Best for: Built for spirited street riding and twisty back roads where its light weight and strong midrange power can be fully exploited.
Built for: A raw, characterful Italian streetfighter that rewards confident throttle input with an engaging, muscular V-twin feel and razor-sharp handling.
Not ideal for: Not ideal for riders seeking long-distance comfort, wind protection, or a plush, relaxed touring experience.

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

Will it fit you?

Worked out in your browser - nothing is sent to us

Your height

Inseam (optional)

Units

At 785mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2020 Ducati Monster 821 Stealth, with a relaxed knee angle of around 120 degrees and a forward-leaning 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 751-820 mm — Middle Ground →

Find bikes that fit your height →

Range and running costs

Worked out in your browser - nothing is sent to us

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: 821.0 ccm
Power: 109.0 HP (79.6 kW) @ 9250 RPM
CO2 Emissions: 155 CO2 g/km
EPA Certificate No.: LDUCC0.80MLA-009
EPA Est. Fuel Consumption: 6.60 L/100km (35.6 US mpg)
EPA CO Emissions: 1.3 CO g/km
Torque: 86.0 Nm (8.8 kgf-m) @ 7750 RPM
Engine type: V-Twin, four-stroke
Fuel consumption: 5.40 litres/100 km (18.5 km/l)
Power/weight ratio: 0.6039 HP/kg (dry)
Bore x stroke: 88.0 x 67.5 mm
Compression: 12.8:1
Cooling system: Liquid
Fuel system: Injection
Starting: Electric
Aspiration: Naturally aspirated
Valves per cylinder: 4

Transmission

Gearbox: 6-speed
Transmission type: Manual
Clutch: APTC slipper and self-servo wet multiplate clutch with control cable

Dimensions & weight

Wheelbase: 1480 mm
Overall length: 2170 mm
Overall width: 800 mm
Overall height: 1055 mm
Seat height: 785 mm
Dry weight: 180.5 kg
Wet weight: 205.0 kg
Fuel capacity: 16.50 litres

Chassis & suspension

Frame: Tubular steel Trellis frame attached to the cylinders head
Front suspension: 43mm upside-down forks
Rear suspension: Progressive linkage with adjustable monoshock. Aluminium double-sided swingarm
Front wheel travel: 130 mm
Rear wheel travel: 140 mm
Rake (fork angle): 24.3°
Trail: 93 mm

Brakes & wheels

Front brakes: Double disc. Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, axiial pump with ABS as standard
Front brakes diameter: 320 mm
Rear brakes: Single disc. 2-piston floating calliper with ABS as standard equipment
ABS: Yes
Front tyre: 120/70-ZR17
Rear tyre: 180/55-ZR17

Other

Color options: Stealth
Warranty: 24

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	2019	2020
Capacity	821 cc	821 cc
Dry weight	181 kg	181 kg
Seat height	785 mm	785 mm
Fuel capacity	16.5 L	16.5 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

—

☆☆☆☆☆

Be the first to rate

MotorcycleDB

The 2020 Ducati Monster 821 Stealth is a sleek and powerful motorcycle that offers riders a thrilling experience on the road. With its 821cc engine and lightweight chassis, this bike delivers impressive performance and handling. The Stealth edition features a dark and stylish black color scheme, giving it a bold and edgy look that stands out on the street. The comfortable riding position and advanced electronics make this bike suitable for both experienced riders and those new to the sport.

Overall, the 2020 Ducati Monster 821 Stealth is a top-of-the-line motorcycle that offers an exhilarating ride and impressive features. Whether you're a seasoned rider or a newcomer to the sport, this bike delivers a thrilling experience on the road. With its powerful engine, advanced electronics, and stylish design, the Monster 821 Stealth is a standout choice in the world of motorcycles.

Own one? Add it to My Garage and write an owner review with an Owner badge.