Drive modes are electronic settings that adjust throttle response, transmission shift points.

A drive belt is a continuous rubber belt that transfers power from the engine’s crankshaft to components like the alternator, power steering pump.

A drag car is a vehicle purpose-built or heavily modified for straight-line acceleration from a standing start.

A diesel particulate filter (DPF) is a ceramic device in the exhaust system that traps microscopic soot particles to reduce emissions.

A down payment on a car is the upfront cash you pay toward the purchase price, which directly reduces the amount you need to borrow and often helps.

Double clutching is a shifting technique developed for unsynchronized manual transmissions, commonly found in older vehicles and commercial trucks.

A dealer documentation fee (or doc fee) covers the dealership’s cost to process paperwork like titles, registrations.

A DIN car stereo refers to a standardized chassis size set by the German Institute for Standardization — single DIN units are 2 inches tall.

A differential is a mechanical gear system that splits engine torque and allows the drive wheels to rotate at different speeds, which is essential for smooth co

Leasing is a long-term rental with lower monthly payments but no ownership; buying builds equity with higher payments but you own the car after the loan.