How Much Power Does the 2021 Harley-Davidson Street Glide Special Make?

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The Harley-Davidson Street Glide Special is The Motor Company’s go-to hot-rod bagger. The heart of it is Harley-Davidson’s eight-valve Milwaukee-Eight Big Twin 114ci (1,870cc) engine—also used to power a number of H-D’s cruiser and Grand American Touring lineup, including the Street Bob 114 and Road Glide Special—and a variety of premium paint options has made it a staple for customizers.

Horsepower and torque figures on the 2021 Harley-Davidson Street Glide Special. (Robert Martin Jr./)

Ahead of an upcoming comparison test with similar spec competition, we placed our 2021 Street Glide Special test unit on the Cycle World dyno, recording horsepower and torque measurements. On song with typical Milwaukee-Eight 114 figures, the Street Glide Special produced a peak 83.03 hp at 4,890 rpm and 113.32 pound-feet of torque at 2,500 rpm.

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