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Poster reading 134 decibels, the V8s were 145, over a red Ferrari number 44 with sound waves radiating from its exhaust, above the words 10x the sound energy.

How Loud Are F1 Cars? And Why They Got Quieter

Modern F1 cars measure about 134 decibels, down from 145 with the V8s. Because decibels are logarithmic, that gap is far bigger than it sounds.

Bhavin Lathia· Sep 1, 2026

Infographic titled The Most Efficient Engine on Earth showing a bare F1 2026 power unit beside bars: F1 power unit over 50 percent versus a road car about 30 percent of fuel energy turned into motion.

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F1 Power Unit Explained: The Most Efficient Engine on Earth

The 2026 F1 power unit explained: the turbo V6, the far more powerful MGU-K, why the MGU-H was dropped, how electric power fades at high speed, and why F1 engines are so efficient.

Bhavin Lathia· Aug 5, 2026