rack-and-pinion steering
Steering that relies on a small pinion gear that works with a toothed rack
ram air
A forward-facing opening on an engine hood that forces air into the induction system of a car
rear-engine vehicle
A car with its engine located behind the rear axle
Regulation M
The Federal Reserve Board's Consumer Leasing Act requiring disclosure of leasing costs
rent charge
Lease fee or charge
residual value
The car's wholesale value at the end of the lease; projected at the beginning of a lease by the seller
roll bar
A metal tube behind the cabin to protect passengers in the even of a rollover.
run-flat tires
Tires that can still be used in short distances even when flat.