Auto carrier or car carrier or car transporter or auto transporter can refer to:

Transportation

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  1. An autorack (a railroad car), called a car transporter in UK English.
  2. A car carrier trailer, in other words a semi-trailer especially designed to carry automobiles, vans, or pickup trucks.
  3. A roll-on/roll-off ship that transports new cars.
  4. Auto Carriers Ltd UK car maker from 1911 to 1922, thereafter A.C. Cars Ltd.

Biology

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  1. Autotransporter protein (see Type V secretion system, T5SS)
  2. Autotransporter domain