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Which teams used which engine suppliers in the 2021 F1 season?

3 Answers
StWyatt
07/30/25 2:45am
2021 F1 season engine suppliers for each team are as follows: 1. Renault: Renault used its own power units and did not supply other teams starting from 2021. However, it supplied McLaren in 2020. 2. Mercedes: In addition to using its own power units, Mercedes also supplied Aston Martin, McLaren, and Williams in 2021. 3. Ferrari: Besides using its own power units, Ferrari also supplied Alfa Romeo and Haas in 2021. 4. Honda: Honda mainly supplied power units to Red Bull Racing and AlphaTauri.
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McSara
08/16/25 9:01am
From the perspective of engine technology, the 2021 F1 season had four major suppliers. Mercedes provided engines to its own team Mercedes-AMG, as well as McLaren, Aston Martin, and Williams. These cars were known for their strong reliability and smooth, efficient power output, helping the teams maintain a solid advantage in the championship standings. Honda supplied engines to Red Bull and AlphaTauri, and their V6 turbocharged engine that year was exceptionally powerful, aiding Verstappen in securing multiple victories. However, 2021 marked Honda's final year in F1 before they exited to focus on electrification development. Renault engines were exclusively used by the Alpine team (formerly Renault's own team), delivering average performance with no major issues. Ferrari powered Ferrari, Alfa Romeo, and Haas, with their engine performing well in low-speed corners but prone to overheating under high loads. The cooling system and fuel efficiency of the engines directly impacted race strategies—for instance, Honda's engine remained more stable on high-temperature tracks, while Mercedes adapted well to various conditions. Overall, the choice of engine supplier was crucial to a team's season-long performance, with Red Bull's reliance on Honda adding extra suspense to the competition.
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LilaMarie
10/21/25 8:02am
As a long-time F1 fan, the memories of the 2021 season are still fresh. That season, the engine partnerships between teams were particularly distinct: Mercedes engines powered Mercedes, McLaren, Aston Martin, and Williams, with Hamilton securing several race wins thanks to that rock-solid engine package. Honda supplied Red Bull and AlphaTauri (then known as Scuderia AlphaTauri), and the engine's roar and explosive power were absolutely thrilling, making Verstappen's dramatic championship-winning drive even more exhilarating. Ferrari engines were used by Ferrari themselves, Alfa Romeo, and Haas, delivering mixed performances but avoiding major disasters. Renault exclusively powered Alpine, with the engine occasionally shining under Leclerc's control. Back then, Honda announced their exit, making every Red Bull race feel like a final sprint. The choice of engines shaped the entire season's competitive landscape, from Monaco to Abu Dhabi, keeping us all on the edge of our seats. The differences among engine suppliers were directly reflected in the standings—Mercedes had three sister teams, while Honda focused solely on the Red Bull family. Looking back, the details are still vivid.
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