autoevolution.com

P1KOE TIL: The first production straight-six was developed by the Dutch company Spyker and made its debut in the 1903 race car dubbed, rather uncreatively, 60 HP.
LQybQ TIL that the heaviest production car in history was the ZIL-41047 limousine used in Russia. It weighed It weighed 7,846 lbs (3,550 kg), and used 75 mm. (3 in) armor-plated steel for protection in key areas. This was used by president Mikhail Gorbachev till 1991.
Y7mPd TIL that car horn testing is important, and countries like India get highly reliable horns. People honk almost constantly in that part of the world.