BMW M5 5.0 V10 -vs- 4.4 V8 (Sound Comparison) Acceleration & Sound by turboandstance - July 15, 2020 BMW M5 Sound Battle! Which one sounds better? The legendary 5.0 naturally aspirated V10 (S85), or the new-gen twin turbocharged V8 (S63)… Let us know in the comment section below! Share this one also with your friends and follow us also on Facebook, Pinterest or Instagram!