BMW R 18 Classic - 2026 Specifications and Reviews

The BMW R 18 Classic is a retro-styled cruiser powered by a massive 1802cc boxer engine delivering 91 hp and 162.7 Nm of torque. Built for riders seeking classic aesthetics with modern reliability, it excels at relaxed highway cruising and neighborhood riding. Its iconic horizontal twin engine and timeless design make it ideal for enthusiasts who prioritize character and heritage over performance.

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General information

Color OptionsBlack storm metallic, Mineral Gray Metallic Matte, Brooklyn Gray Metallic/ Blacked Out, Option 719 Aquamarine
PriceUS$ 18395. MSRP depends on country, taxes, accessories, etc.
CategoryCustom / cruiser
Year2025

Engine and Transmission Specifications

StartingElectric
Emission DetailsRegulated three-way catalytic converter
ClutchSingle-disc dry
Final DriveShaft drive (cardan) (final drive)
Gearbox6-speed
Cooling SystemOil & air
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
InductionInjection. Electronic intake pipe fuel injection, BMS-K+ electronic engine management with overrun cut-off, twin-spark ignition
Valves Per Cylinder4
Bore x Stroke107.1 x 100.0 mm (4.2 x 3.9 inches)
Compression Ratio9.6:1
Max Torque162.7 Nm (16.6 kgf-m or 120.0 ft.lbs) @ 3000 RPM
Max Power91.0 HP (66.4 kW)) @ 4750 RPM
Engine DetailsTwo chain-driven camshafts above the crankshaft
Engine TypeTwo cylinder boxer, four-stroke
Capacity:1802.0 ccm (109.96 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity16.01 litres (4.23 US gallons)
Wheelbase1730 mm (68.1 inches)
Overall Width947 mm (37.3 inches)
Overall Length2286 mm (90.0 inches)
Overall Height1397 mm (55.0 inches)
Seat Height729 mm (28.7 inches) If adjustable, lowest setting.
Power/Weight Ratio0.2492 HP/kg
Dry Weight365.1 kg (805.0 pounds)

BMW R 18 Classic dimensions and frame

WheelsWire spoked
Rear BrakesSingle disc. Single disc brake, fixed caliper. BMW Motorrad Integral ABS.
Brake Disc Diameter300 mm (11.8 inches)
Front BrakesDouble disc. 4 piston fixed calipers, BMW Motorrad Integral ABS (partially integral)
Rear Tyre180/65-B16
Front Tyre120/70-19
Rear Wheel Travel89 mm (3.5 inches)
Rear SuspensionSteel swingarm with central shock strut
Front Wheel Travel119 mm (4.7 inches)
Front SuspensionTelescopic fork
Trail150 mm (5.9 inches)
FrameDouble loop steel frame with bolted beams

Speed and acceleration

Top Speed178.6 km/h (111.0 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
CommentsWindscreen
Warranty3-years or 36,000 miles warranty
Carrying CapacitySi
LightingLED headlight
ElectricalPermanent magnet generator 600 W. 12 V / 26 Ah, maintenance-free battery.
Reserve fuel capacity3.79 litres (1.00 US gallons)
Rake (fork angle)32.7°
Motorcycle nameBMW R 18 Classic

Performance Profile & Rider Fit

91 hp
Peak Power
5.2s
0-60 mph

Best For

Track10%
City40%
Cornering35%
Daily Riding55%
Touring68%
Passenger60%

Rider Profile

Best ForBest suited to riders who already have experience handling heavy, low-slung machines at low speed.
PurposeBuilt for relaxed boulevard cruising and long, straight-road touring rather than outright performance.
Rider FitIts substantial dry weight and low seat height favor taller, stronger riders who can manage the mass at a standstill and in slow maneuvers.
CharacterA stately, torque-rich cruiser that rewards a laid-back riding style with strong low-end pull and classic boxer character.
Not Ideal ForNot for riders seeking sharp cornering ability, off-road capability, or a lightweight, flickable ride.

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

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 729mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2026 BMW R 18 Classic, with a cramped knee angle of around 80 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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