# Audi F1 drivers reveal biggest engine limitation

> Audi F1 drivers say extreme heat hurts their engines but remain confident in improvements.
- Title: Audi F1 drivers reveal biggest engine limitation · Autosport
- Summary: Audi F1 drivers say extreme heat hurts their engines but remain confident in improvements. Audi F1 drivers acknowledge engine power loss in heat but believe…
- Keywords: audi, nico hulkenberg, gabriel bortoleto, power unit, heat limitation, formula 1, sports, cars, drivers, reveal, biggest, engine
- Source: Autosport — https://autosport.com/f1/news/they-built-the-best-engines-audi-f1-drivers-reveal-biggest-limitation-and-how-to-address-it/10863056
- Author: Ronald Vording
- Published: 2026-10-08T13:02:24+00:00
- Read time: 1 min
- Topics: audi, f1, nico hulkenberg, gabriel bortoleto, power unit, heat limitation, formula 1, sports, cars
## Audi power unit struggles in heat
Audi F1 drivers acknowledge engine power loss in extreme heat but remain confident in improvements.

> I think we have to be cautious and careful
## Heat hazard declared for Singapore GP
The FIA issued a heat hazard declaration for Singapore Grand Prix with temperatures of 31 degrees Celsius or higher forecast.
## Hulkenberg: Power loss in heat
Hulkenberg says Audi suffers from power loss in extreme heat, not cooling issues.

> No, I think we suffer from power
## Bortoleto: Biggest limitation
Bortoleto identifies heat-related power loss as their biggest limitation in the last races.

> Yes, I would say that right now, especially in the last races, it’s our biggest limitation
## Audi confident in improvements
Bortoleto believes Audi can overcome heat challenges using past successes in DTM and Le Mans.

> I think they can fix it. These people in Neuburg have built the best engines in other series
## Baku upgrade package works
Audi confirms its major upgrade package worked after back-to-back tests in Malaysia.

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

Audi F1 drivers acknowledge engine power loss in heat but believe they can overcome it with time and existing successes in other racing series.