AI
Bmw
K 100
Classic · 987 cc
For sale now26 motorcycles
- Engine
- 987 cc
- Power
- 90 hp
- Weight
- 239 kg
- Price range
- €1,750 – €7,000
- Avg. mileage
- 84,233 km
- Common year
- 1986 · 9 motorcycles
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What should you pay for a K 100?
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Based on asking prices, not sale prices. Trim, condition, maintenance and warranty still matter.
Price trend-2%
Based on price data from 4 of the past 12 months.
Used prices are trending down: the typical asking price is €75 lower than in July 2026.
Model family
K 100 at a glance
Quick reference values. Model year, generation and trim can differ.
Displacement
987 cc
Power
90 hp · 66 kW
Torque
86 Nm
Category
Classic
Specifications
- Displacement
- 987 cc
- Power
- 90 hp · 66 kW
- Torque
- 86 Nm
- Weight
- 239 kg
- Seat height
- 810 mm
- Fuel capacity
- 22 l
- Top speed
- 215 km/h
- Production
- 1983 – 1992
- Category
- Classic
Comparable models
Also worth considering
Models in the same category and price range to consider alongside the K 100.
Generations and editions
Features and handling differ by generation. Use this overview to find the right version.
2 variants
Years
1986 - 1991
K 100 LT (1986-1991)
EditionThe LT is the luxury tourer with a larger screen, more comfortable seat, luggage and broader equipment.
987 cc90 hp4 cyl.
Years
1983 - 1990
K 100 standard (1983-1990)
EditionThe unfaired base version is the lightest K 100 and fully exposes the horizontal four-cylinder engine.
987 cc90 hp4 cyl.
About this model
About the Bmw K 100
The BMW K 100 introduced the liquid-cooled, horizontally mounted 987 cc four-cylinder known as the ‘Flying Brick’ in 1983. Fuel injection, shaft drive and a load-bearing engine made it radically different from BMW's boxers. The base K 100 was naked; RS, RT and LT added progressively more weather protection and touring equipment. All share 90 hp and the characteristic engine, while weight and ergonomics differ greatly.
A K 100 suits enthusiasts of robust 1980s engineering who can assess maintenance properly. The engine can cover very high mileages if cooling, splines and injection are cared for. RS is sportier, while RT and LT are true tourers. Modern tyres and correctly set suspension improve handling, but brakes, mass and heat management remain products of their era.
- Category
- Classic
- Production
- 1983 – 1992
- Power
- 90 hp
- Weight
- 239 kg
Before you buy
What to check before buying
- Inspect the fuel tank internally for corrosion and test the pump, hoses and injectors because long storage damages the fuel system.
- Require evidence of clutch and shaft-spline lubrication and check for play or clunks during load changes.
- Run the engine until the cooling fan operates because seized fan motors can cause overheating in traffic.
- Check instruments, connectors and every warning lamp for failures caused by moisture or oxidised contacts.
- On ABS versions, the pump and warning sequence must work correctly because early ABS parts are expensive.
Frequently asked questions
Frequently asked questions about the Bmw K 100
What does a used Bmw K 100 cost?
A used Bmw K 100 costs €2,950 on average. Most cost €1,750 to €7,000. This is based on 26 motorcycles for sale now.
How many used Bmw K 100 are for sale?
MotorMonitor now compares 26 used Bmw K 100 motorcycles from Dutch sales sites.
What year and mileage does an average used Bmw K 100 have?
The average used Bmw K 100 is from 1986 and has done about 84,233 km.