Ever wondered why McLaren, a company famous for building some of the world’s most spectacular supercars, still relies on another manufacturer to power its Formula 1 cars?
McLaren F1 Team has won Formula 1 World Championships multiple times, both in the Constructors’ Championship and with its drivers. Yet there’s an interesting detail behind all that success: McLaren has achieved it using engines built by other manufacturers, rather than a McLaren-designed F1 power unit of its own.
So, why?
The answer is actually pretty simple. Building a road car and building a Formula 1 engine are two completely different worlds.
McLaren’s supercar engines are certainly no slouches. They’re powerful, sophisticated and capable of delivering serious performance on the road. But an F1 power unit is an entirely different beast.
It requires billions of dollars in research and development, cutting-edge hybrid technology, enormous engineering resources and compliance with an incredibly strict set of FIA regulations.
That’s why McLaren has traditionally chosen to concentrate on what it does best in Formula 1: building the car itself, developing the chassis and extracting every possible ounce of performance from aerodynamics.
For the engine, McLaren has instead worked with major manufacturers that specialise in power units.
Over the years, McLaren has raced with Honda power, then Mercedes, briefly Renault, and now Mercedes once again.
McLaren F1 Engine Partners
- Honda: 1988–1992
- Mercedes-Benz: 1995–2014
- Honda: 2015–2017
- Renault: 2018–2020
- Mercedes-AMG: 2021–present
So, in simple terms:
Honda → Mercedes → Honda → Renault → Mercedes
The strategy allows McLaren to remain competitive without having to pour enormous amounts of money into developing an F1 engine from scratch.
And that’s the important distinction here: being a world-class supercar manufacturer doesn’t automatically mean you need to build your own Formula 1 engine.
On the road, McLaren has built a reputation around lightweight engineering, performance and some seriously fast cars. In Formula 1, however, the team has chosen to play to its strengths, becoming a specialist in chassis and aerodynamics while leaving the power-unit battle to one of the world’s major engine manufacturers.
Because in Formula 1, sometimes the smartest way to go faster isn’t to build everything yourself.
What do you think? Should McLaren eventually build its own F1 engine, or is its current approach the smarter way to go racing? Let us know in the comments.
Adhe is part of the 88 Eight Box Editorial Team, covering JDM culture, motorsport, automotive technology, and industry news. The team focuses on delivering original automotive stories, reviews, and insights for enthusiasts worldwide.
