I couldn’t reach cruise even with 30 passengers and 6T of fuel. I ended up changing some settings in the engines.cfg file. More info in this post 
Airbus A320 neo lacking climb performance after update - #67 by HudsonMasters
I couldn’t reach cruise even with 30 passengers and 6T of fuel. I ended up changing some settings in the engines.cfg file. More info in this post Airbus A320 neo lacking climb performance after update - #67 by HudsonMasters