Lewandowski and Benzema are no doubt two of the greatest strikers of their generation as well as in the modern age.
This year, both strikers look set to go head-to-head for the Ballon d'Or and have consistently been in the running for soccer's highest individual accolade in recent editions.
A change of scenery and proving himself in another league has been touted as the main motivations behind the 33-year-old Pole desiring a switch to Spain.
However, Kucharski believes there are more specific and personal reasons for Lewandowski to be actively forcing a move to the Catalans ahead of the 2022/2023 season.
"He wants to show that he is better than Benzema, it is another reason to go to Barca," Kucharski began.
"Lewandowski has no dreams. For him, playing football is a job and he is very professional. Real Madrid and Barca are at the same level,"
"Barca and Lewandowski are going to fight for this signing," Kucharski added.
"I think he is going to sign for Barcelona, I see it as possible. He has to put pressure on Bayern to release him from his contract.
"Bayern's leaders know he wants to go to Spain. His plan was Germany, then Spain and [then] finish his career in the United States," Kucharski concluded.
Bayern are also said to be asking for a price in the region of €60mn ($64mn) for their star man.
Barca president Joan Laporta and his board are determined to contest his signature once the economic levers of the club are activated to enhance their financial power in the summer window.
Lewandowski has just 12 months left to run on his current contract with the Bundesliga champions.