Neuville has been fast and reliable with all his co-pilots. He's an example of the opposite of what you're trying to prove.
If you compare his 2010 season with Klinger and his 2011 season with Gilsoul, there is a big difference, both in speed and reliability. If course, he had more experience too, but I do think he really started to impress when he started driving with Gilsoul.
Emilia Romagna GP: Ferrari upgrades fire Charles Leclerc to P1 as Max Verstappen struggles in FP1.
Charles Leclerc delighted Ferrari’s Tifosi as he topped the timesheets in FP1 for the Imola Grand...
WRC team boss delivers scathing critique – “It will be a pretty crap car”
https://rallyjournal.com/wrc-team-boss-delivers-scathing-critique-it-will-be-a-pretty-crap-car/
Credit to Motorsport.com https://www.motorsport.com/wrc/news/wrcs-2025-rule-change-will-create-pretty-crap-car-hyundais-abiteboul/10611418/
WRC main class in 2025