Race Arcade - Probably the BEST Classic Top Down Racer on the PS4
Top Down Racer Engine - Open Source (GameMaker Studio 2 and GameMaker Studio 1.4)
9 Awesome "Top-down" racing videogames. Gameplay.
Let's Try Super Arcade Racing - Top down racing like the old days - ScottDogGaming
NES Longplay [762] Road Fighter
Let's make 16 games in C++: Car Racing (Top Down)
Top-Down / Isometric Race Prototyping