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The 1983 BMW K100 and 1988 BMW R100GS represent two chapters in BMW's storied history.
The 1983 BMW K100 from Germany was powered by a 987cc DOHC inline-4 producing 90hp at 8000rpm. Weighing 240.0kg (529 lbs) and with a seat height of 810mm, it was aimed at touring riders.
The 1988 BMW R100GS by contrast offered 980cc of OHV flat-twin power, delivering 60hp at 6500rpm. Tipping the scales at 195.0kg (430 lbs) with a top speed of 175km/h (109 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
The 1983 BMW K100 from Germany was powered by a 987cc DOHC inline-4 producing 90hp at 8000rpm. Weighing 240.0kg (529 lbs) and with a seat height of 810mm, it was aimed at touring riders.
The 1988 BMW R100GS by contrast offered 980cc of OHV flat-twin power, delivering 60hp at 6500rpm. Tipping the scales at 195.0kg (430 lbs) with a top speed of 175km/h (109 mph), it offered a distinct riding experience. 1980s motorcycles are the rising stars of the collector market. Early sportbikes and final-generation air-cooled models are gaining strong interest.
Specifications Comparison
| 1983 BMW K100 | 1988 BMW R100GS | |
|---|---|---|
| Displacement | 987 cc | 980 cc |
| Power | 90 hp | 60 hp |
| Torque | 86.0 Nm | 56.0 Nm |
| Cylinders | 4 | 2 |
| Top Speed | 215 km/h | 175 km/h |
| Quarter Mile | — | — |
| Dry Weight | 240.0 kg | 195.0 kg |
| Wet Weight | 258.0 kg | 213.0 kg |
| Seat Height | 810 mm | 860 mm |
| Wheelbase | 1516 mm | 1504 mm |
| Fuel Capacity | 22.0 L | 26.0 L |
| Gears | 5 -speed | 5 -speed |
The Verdict
Comparing these two BMW machines reveals the brand's evolution. The 1983 BMW K100 laid the groundwork with 90hp, while the later 1988 BMW R100GS pushed output to 60hp. From a collector's perspective, the 1988 BMW R100GS holds the edge with a 7/10 rating. Either way, both are worthy additions to any BMW collection.
About the 1983 BMW K100
A touring motorcycle from 1983, the 1983 BMW K100 delivers 90hp from its 987cc DOHC inline-4 engine.
Full 1983 BMW K100 Profile →About the 1988 BMW R100GS
A dual-sport from 1988, the 1988 BMW R100GS delivers 60hp from its 980cc OHV flat-twin engine.
Full 1988 BMW R100GS Profile →