Expensive. Unruly. Spectacular. Turbocharged engines in Formula 1 are nothing new, but until this season they were banished from the pinnacle of the sport for a quarter of a century.
We have since seen V12, V10 and V8 configurations of normally aspirated propulsion, but now turbos are back - helping to drive F1's new generation of socially responsible, energy-efficient, hybrid V6-engined cars.
Their return has inevitably drawn comparison with that bygone era of flame-belching, tankslapping, 1000bhp-plus qualifying specials. But the drive for efficiency demanded by the latest regulations in F1 means today's turbo engines are very different to their forebears.
To continue reading this feature, join Autosport Plus today.
Are you an Autosport magazine subscriber? Activate your online account
- Your Autosport Plus membership includes:
- Unlimited access to Autosport's news - no monthly cap.
- Read the best motorsport features, analysis and opinion.
- Explore Forix, our comprehensive motorsport stats database.
- Choose from a monthly or yearly membership.