Ron Paul on Tuesday vowed he would not support Bernie SandersBernie SandersRahm Emanuel: Bloomberg, Patrick entering race will allow Democrats to have 'ideas primary' Feehery: Pivoting to infrastructure could help heal post-impeachment wounds Jayapal hits back at Biden on marijuana 'prohibition' MORE’s White House run because of the Democratic presidential candidate’s similarities with Donald TrumpDonald John TrumpMost Americans break with Trump on Ukraine, but just 45 percent think he should be removed: poll Judge orders Democrats to give notice if they request Trump's NY tax returns Trump's doctor issues letter addressing 'speculation' about visit to Walter Reed MORE.

“No, because he’s an authoritarian,” he said when asked if he’d back the independent Vermont senator on “CNN Newsroom."

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“He’s just a variant of Trump,” the former Texas representative added. "Even the things I worked with on Bernie, some of the foreign policy, he’s a part of the military industrial complex.

“He was a big voter for militarism. He’s an authoritarian of a different color, but Trump’s a super authoritarian. Trump wants to be the boss.”

Paul also argued that Democratic presidential front-runner Hillary ClintonHillary Diane Rodham ClintonThe Memo: Centrists change tone of Democratic race In 2020, democracy will be decided at the margins Michelle Obama presents Lin-Manuel Miranda with National Portrait Award MORE does not present voters with a better option than Trump, her Republican counterpart.

“My biggest beef is that from a libertarian viewpoint there’s no meaningful difference between Hillary and Trump,” said Paul, who sought the GOP presidential nomination in 2008 and 2012.

“I mean, they both support the military industrial complex, the Federal Reserve, deficits, entitlements, invasions of privacy,” he added.

“It is super-nationalistic populism versus socialism. That is so remote from what we need to be doing. We need to be moving ourselves away from tyranny towards liberty.”

Sen. Rand PaulRandal (Rand) Howard Paul Democratic debate at Tyler Perry's could miss the mark with black voters RNC says ex-Trump ambassador nominee's efforts 'to link future contributions to an official action' were 'inappropriate' GOP divided over impeachment trial strategy MORE (R-Ky.), Ron Paul’s son, suspended his presidential campaign on Feb. 3 after a poor showing in Iowa’s first-in-the-nation caucuses.

Clinton and Trump are now leading their party’s respective primaries before multiple voting contests nationwide on Super Tuesday.

Trump leads the Republican field by nearly 16 percent, according to the latest RealClearPolitics average of polls. Clinton, meanwhile, possesses a roughly 10-point edge over Sanders, her sole competition for the Democratic mantle.