IRS Auto Abbreviation

IRS has various meanings in the Auto category. Discover the full forms, definitions, and usage contexts of IRS in Auto.

Independent Rear Suspension

Most Common

A suspension system where the two rear wheels are independent from each other. It has the advantage over a beam axle suspension because the unsprung weight is reduced, the ride and handling over rough roads are improved, and a larger trunk with a lower floor can be placed between the wheels.

Auto

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