How does NHTSA categorize vehicles?
NHTSA classifies vehicles by weight. Passenger cars are categorized as mini (1,500-1,999 lbs. curb weight), light (2,000-2,499 lbs. curb weight), compact (2,500-2,999 lbs. curb weight), medium(3,000-3,499 lbs. curb weight) and heavy(3,500lbs.and over curb weight.) The other categories are sport utility vehicles (SUVs), light trucks and vans.