Beautiful Noise 2019 Formula 1 engine fire-ups

Formula 1 teams are slowly but surely revealing bits and pieces of their cars, while releasing clips on social media of their 2019 challengers firing up their engines in the prelude to a flurry of launches ahead of testing in Barcelona, starting on 18 February.

Here is what we have so far:

Toro Rosso STR14 Honda

Mercedes W10

McLaren MCL34 Renault

Ferrari (Project 670 awaits an official designation)