Dealer Incentives - Special offers sent from the car manufacturers to their dealers to encourage sales.
Diesel Engine - A very high-compression combustion engine that burns diesel fuel instead of gasoline. Diesel engines are known for outstanding fuel efficiency.
Dipstick - A long metal stick used to check fluids levels--oil, transmission fluid, and the like. This is a part every driver should be familiar with.
Direct-Shift Gearbox - Direct-shift gearbox or a DSG (Volkswagen): electronically controlled dual-clutch multiple-shaft manual gearbox without a conventional clutch pedal, and with full-automatic or semi automatic control
Disc Brake - A brake system in which a disc attached to a wheel is slowed by the friction of brake pads being pressed against the disc by a caliper.
Down Payment - An up-front payment made at the time of purchase that reduces the cost financed in the lease or loan.
Drivetrain - All of the components that connect the engine to the wheels i.e. engine, transmission, wheels, axle and clutch
DSG - Direct-shift gearbox (Volkswagen): Electronically controlled dual-clutch multiple-shaft manual gearbox without a conventional clutch pedal, and with full-automatic or semi automatic control.