5AT: Five Speed Automatic Transmission
6MT: Six Speed Manual Transmission
AAC: Autobody Association of Connecticut
AACA: Antique Automobile Club of America
AAIA: Automotive Aftermarket Industry Association
AAM: Alliance of Automobile Manufacturers
AAMVA: American Association of Motor Vehicle Administrators
AAMVA: American Automobile Motor Vehicle Association
AAPA: Aftermarket Auto Parts Alliance
AAS: Anfahrassistent
AASA: Automotive Aftermarket Suppliers Association
AASP: Alliance of Automotive Service Providers
ABA: Active Brake Assist
ABC: Active Body Control
ABC: Automobile Blanc Cardon
ABS: Antiblockiersystem
ACA: Autobody Craftsman Association
ACC: Adaptive Cruise Control
ACE: Active Cornering Enhancement
ACF: American Car and Foundry
ACTE: Association for Career and Technical Education

ACURA: All Cars Usually Require Adjustment

ACURA: Americans Can Underestimate Routine Accidents
ACURA: Americans Can Understand Real Autos

ACURA: Another Case of a Useless Requested Acronym

ACURA: Any Child Understands Real Automobiles

ACURA: Automobile Causes Universal Road Accidents
ACURA: Automobile Causes Unusual Road Accidents
Acura: Awful Crappy Unreliable Rusty Automobile
ACURA: Awful, Crappy, Unreliable, Rusty Automobile
ADS: Adaptives DämpferSystem
ADS: Association of Diesel Specialists
AFL: Adaptive Forward Lightning
AFR: air to fuel ratio
AFS: Adaptive Front Lighting System
AIA: Automotive International Association
AIPC: Automotive Industry Planning Council
AITA: America's Independent Truckers' Association, Inc.
AKS: automatisches Kupplungssystem
ALI: Automotive Lift Institute