# Audi F1 drivers address heat limitation

> Audi F1 drivers say extreme heat hurts engine performance but confidence in fixes grows.
- Title: Audi F1 drivers address heat limitation · Motorsport
- Summary: Audi F1 drivers say extreme heat hurts engine performance but confidence in fixes grows. Audi F1 drivers acknowledge heat reduces engine power but believe…
- Keywords: audi, nico hulkenberg, gabriel bortoleto, power unit, heat hazard, singapore gp, sports, cars, drivers, address, heat, limitation
- Source: Motorsport — https://motorsport.com/f1/news/they-built-the-best-engines-audi-f1-drivers-reveal-biggest-limitation-and-how-to-address-it/10863053
- Author: Ronald Vording
- Published: 2026-10-08T12:56:32+00:00
- Read time: 1 min
- Topics: audi, f1, nico hulkenberg, gabriel bortoleto, power unit, heat hazard, singapore gp, sports, cars
## Audi power unit struggles in heat
Audi F1 drivers acknowledge extreme heat reduces engine performance despite team confidence in fixes.

> I think we have to be cautious and careful
## Heat hazard declared for Singapore GP
FIA issues heat hazard declaration for Singapore Grand Prix with temperatures of 31 degrees Celsius or higher.

> The FIA has issued a so-called heat hazard declaration for the Singapore Grand Prix
## Hulkenberg: Power loss in heat
Hulkenberg says Audi loses engine power in extreme heat, not aerodynamic performance.

> No, I think we suffer from power
## Bortoleto: Heat as biggest limitation
Bortoleto identifies heat as Audi's biggest limitation for engine performance in recent races.

> Yes, I would say that right now, especially in the last races, it’s our biggest limitation
## Audi confident in fixes
Bortoleto believes Audi can improve engine performance through patience and existing successes in other racing series.

> I think they can fix it. These people in Neuburg have built the best engines in other series
## Baku upgrade works
Audi confirms major power unit upgrade package functions well after tests in Malaysia and Singapore.

> Well, we concluded that it worked. It worked pretty OK, like we expected
## Key takeaway

Audi F1 drivers acknowledge heat reduces engine power but believe upgrades will overcome the challenge.