The Spaniard took on the job of succeeding Walter Mazzarri in the Partenopei hotseat in May after guiding Chelsea to Europa League success in his short time at Stamford Bridge.
"I accepted Napoli because there is such enthusiasm and passion," the 53-year-old told Minuto 116. "I want to repay that faith on the field.
"The club has quality players and hunger to win, so reminds me of Liverpool."
Benitez won the Champions League and FA Cup during his six years at Anfield.