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BMW · 1988–1992

1989 BMW R 100 GS

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1989 BMW R 100 GS
Photo: "S de Santi" from Madrid, SPAIN, CC BY 2.0, via Wikimedia Commons · CC BY
Auction record
Average sale
$9,641
Sales
7
Low
$7,000
High
$13,750

Specifications

Category
Enduro / offroad
Displacement
979.0 ccm (59.74 cubic inches)
Displacement (cc)
979.00
Engine details
Two cylinder boxer, four-stroke
Power
60.0 HP (43.8 kW) @ 6500 RPM
Top speed
164.0 km/h (101.9 mph)
Compression
8.5:1
Bore × stroke
94.0 x 70.6 mm (3.7 x 2.8 inches)
Valves/cyl
2.0
Fuel control
Overhead Valves (OHV)
Cooling
Air
Gearbox
5-speed
Transmission
Shaft drive (cardan) (final drive)
Front tyre
90/90-21
Rear tyre
130/80-17
Front brakes
Single disc
Rear brakes
Expanding brake
Wet weight
225.0 kg (496.0 pounds)
Fuel capacity
26.00 litres (6.87 US gallons)

The 1989 BMW R 100 GS

1989 BMW R 100 GS sits near the top of BMW's boxer-powered enduro line, the big-bore option for riders who wanted genuine long-distance offroad capability rather than a dressed-up street bike. This is the machine that essentially created the adventure touring category, pairing a torquey air-cooled twin with a chassis built to handle gravel roads, mountain passes, and fully loaded panniers without complaint. The shaft drive means no chain maintenance on dusty trails, and the fuel range from that tank size suits genuine two-up touring far from a gas station. It's a bike that rewards patience over aggression, comfortable at a steady pace across varied terrain rather than built for quick throttle response. The 1989 model carried over without significant mechanical changes from the prior year, so buyers comparing it to a 1988 example should focus on mileage, service history, and condition rather than spec differences. Today's buyer is often someone transitioning from modern adventure bikes seeking mechanical simplicity, or a longtime BMW owner chasing the machine that started the GS lineage. Collector interest remains high, particularly for well-documented, low-mileage examples with original paint and unmolested drivetrains.

Auction history

DateListingPriceMileageSource
Jul 24, 20261989 BMW R100GS$7,000—Bring a Trailer
May 26, 20241990 BMW R100GS$8,100—Bring a Trailer
Aug 19, 20221989 BMW R100GS$12,750—Bring a Trailer
Jan 25, 20221989 BMW R100GS$9,588—Bring a Trailer
Nov 23, 20211989 BMW R100GS$8,300—Bring a Trailer
Mar 16, 20211989 BMW R100GS$8,000—Bring a Trailer
Dec 2, 20201989 BMW R100GS$13,750—Bring a Trailer

All BMW R 100 GS years

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