What category is the 2021 BMW R 18 Custom?

The 2021 BMW R 18 Custom has a Category of Prototype / concept model.

What is the engine size of the 2021 BMW R 18 Custom?

The 2021 BMW R 18 Custom has a Capacity: of 1802.0 ccm (109.96 cubic inches).

What type of engine does the 2021 BMW R 18 Custom have?

The 2021 BMW R 18 Custom has a Engine type of Two cylinder boxer, four-stroke.

What is the engine power of the 2021 BMW R 18 Custom?

The 2021 BMW R 18 Custom has a Power of 91.0 HP (66.4 kW) @ 4750 RPM.

What is the torque of the 2021 BMW R 18 Custom?

The 2021 BMW R 18 Custom has a Torque of 157.3 Nm (16.0 kgf-m or 116.0 ft.lbs) @ 3000 RPM.

Is the 2021 BMW R 18 Custom air cooled or liquid cooled?

The 2021 BMW R 18 Custom has a Cooling system of Oil & air.

How many gears does the 2021 BMW R 18 Custom have?

The 2021 BMW R 18 Custom has a Gearbox of 6-speed.

What is the seat height of the 2021 BMW R 18 Custom?

The 2021 BMW R 18 Custom has a Seat height of 690 mm (27.2 inches) If adjustable, lowest setting..

BMW R 18 Custom - 2021 Specifications and Reviews

Name: 2021 BMW R 18 Custom
Brand: BMW

The 2021 BMW R 18 Custom is a concept cruiser powered by a massive 1802cc boxer twin delivering 91 horsepower and impressive 157.3 Nm torque. Built for riders seeking classic cruiser styling with modern technology, this shaft-drive machine exemplifies BMW's vision of accessible, characterful big-displacement motorcycling with authentic retro appeal and contemporary reliability.

⇄ Compare against another bike 📅 All Years

2021

❮❯

Add/Upload pictures for this motorcycle

General information
Category	Prototype / concept model
Year	2021
Model	BMW R 18 Custom
Engine and Transmission Specifications
Emission details	Regulated three-way catalytic converter
Transmission type	Shaft drive (cardan) (final drive)
Gearbox	6-speed
Cooling system	Oil & air
Fuel control	Double Overhead Cams/Twin Cam (DOHC)
Fuel system	Injection. Electronic intake pipe fuel injection
Valves per Cylinder	4
Bore x Stroke	107.1 x 100.0 mm (4.2 x 3.9 inches)
Compression	9.6:1
Torque	157.3 Nm (16.0 kgf-m or 116.0 ft.lbs) @ 3000 RPM
Power	91.0 HP (66.4 kW) @ 4750 RPM
Engine type	Two cylinder boxer, four-stroke
Capacity:	1802.0 ccm (109.96 cubic inches)

Brakes, suspension, Frame and wheels
Seat	Solo seat
Rear brakes	Single disc. 4 piston fixed calipers
Diameter	300 mm (11.8 inches)
Front brakes	Double disc. 4 piston fixed calipers
Rear tire	180/65-B16
Front tire	120/70-R19
Rear Suspension	Steel swingarm with central shock strut
Front Suspension	Telescopic fork
Frame type	Double-cradle steel

Physical measures and capacities
Reserve fuel capacity	3.79 litres (1.00 US gallons)
Fuel capacity	16.01 litres (4.23 US gallons)
Seat height	690 mm (27.2 inches) If adjustable, lowest setting.
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Comments	Also called Â´Spirit of PassionÂ´ by Kingston Custom. Designed by Dirk Oehlerking. Not for sale.
Light	LED headlight
Instruments	Analogue
Starter	Electric
Color options	Black

Performance Profile & Rider Fit

91 hp

Peak Power

5.5s

0-60 mph

Best For

Track15%

City40%

Cornering40%

Daily Riding35%

Touring30%

Passenger15%

Rider Profile

Best For	This is a bespoke custom cruiser best suited to experienced riders comfortable with a long, heavy, low-slung machine, and note this particular bike is a one-off concept not sold to the public.
Purpose	Built as a rolling art piece and style statement, it exists to showcase custom bobber design language rather than to serve any practical riding role.
Rider Fit	The low 690mm seat height makes it approachable for shorter riders, but its substantial boxer engine and cruiser geometry demand strength at low speed and in tight maneuvers.
Character	A brooding, minimalist bobber that trades practicality for pure visual drama, powered by BMW's iconic big-boxer torque.
Not Ideal For	This is not the bike for riders wanting agile cornering, off-road capability, passenger comfort, or genuine long-distance touring amenities.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Shop This Bike

Find Parts for the BMW R 18 Custom 2021 Find One For Sale

Rider Reviews

Total comments: 1

MotorcycleDB Review

The 2021 BMW R 18 Custom motorcycle is a stunning piece of machinery, boasting a classic design with modern engineering. The large displacement boxer engine provides impressive power and torque, while the timeless styling sets it apart from other bikes on the market. With its high-quality components and impeccable attention to detail, the R 18 Custom is a true standout in the world of custom motorcycles. From the gleaming chrome accents to the smooth lines of the bodywork, the 2021 BMW R 18 Custom is a sight to behold. Its bold presence on the road is sure to turn heads, and the comfortable riding position makes it a joy to ride for long distances. Overall, the R 18 Custom is a top-notch motorcycle that offers a perfect blend of performance and style for riders who demand the best.