Modern cars are cars that come out till this day, for example the comapany Honda was made by Soichiro Honda and Takeo Fujisawa.
The Motter waggans were the first car to use gassoline till this day we still use gassoline, Moter waggons were made in September 21st 1893.
Most modern cars even old cars have there engine at the front some modern and old cars have ther engine at the back like porshe 911.