No matter which of the hot new trio of hybrid hypercars you're most infatuated with, you have to admit they're all massively impressive machines. And unlike most hybrids, this group sounds pretty great--perhaps especially the LaFerrari.

HEAR MORE: Hear The LaFerrari’s Engine Bark In This Behind The Scenes Video

A pair of the cars were caught in testing at Fiorano, Ferrari's development circuit, in this video from YouTube's Marchettino. Each car seems to sing a chord, merging together into a symphony of V-12 hybrid sound.

It's not the first time we've heard the LaFerrari at full song on track at Fiorano, but it's the best audio and the longest uninterrupted run yet.

SEE MORE: LaFerrari Supercar Live Photos And Videos From Geneva

A quick recap of the LaFerrari's (still somewhat vague) key specs: 950 (American) horsepower, 0-60 mph in under 3.0 seconds, 0-186 mph in under 15 seconds, and a top speed greater than 217 mph. An even more extreme version of the LaFerrari was briefly rumored, but those rumors were quickly exterminated by Ferrari.

FULL COVERAGE: Motor Authority's Ferrari LaFerrari Zone


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