Green’s Dictionary of Slang

el n.2

also El
[initial letter]

(US black) a limousine.

[US]Last Poets ‘Niggaz Are Scared of Revolution’ 🎵 Niggers talk about getting high and riding around in ‘els’.
[US]C. Stroud Close Pursuit (1988) 111: Kruish and Jimmy used to carry spray cans to mark up the Els back their way.