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7 Biggest Autobots From G1 Era Ranked By Size

G1 Transformers Autobots ranked by size: Jetfire at 10m, Defensor at 5m, Superion at 86ft, Omega Supreme at 12m, Broadside at 1,200ft, Metroplex at 800m, Fortress Maximus at 3km.

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Nov 13, 2026

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7 Biggest Autobots From G1 Era Ranked By Size

G1 Transformers Autobots ranked by size: Jetfire at 10m, Defensor at 5m, Superion at 86ft, Omega Supreme at 12m, Broadside at 1,200ft, Metroplex at 800m, Fortress Maximus at 3km.

In brief

G1 Transformers Autobots ranked by size: Jetfire at 10m, Defensor at 5m, Superion at 86ft, Omega Supreme at 12m, Broadside at 1,200ft, Metroplex at 800m, Fortress Maximus at 3km. G1 Transformers Autobots ranked by size: Jetfire at 10m, Defensor at 5m, Superion at 86ft, Omega Supreme at 12m, Broadside at 1,200ft…

Jetfire's 10-Meter Height

Jetfire's 10-Meter Height

Jetfire stands at 10 meters taller than Grimlock's 7 meters and Optimus Prime's 6 meters, making him bigger than Autobot leaders he fights with.

“In Fire in the Sky, Jetfire refuses to kill captives, proving his 10-meter body is more powerful than the 6-meter leader of the Decepticons.”

Defensor's 5-Meter Frame

Defensor's 5-Meter Frame

Defensor, made of five Protectobots, is smaller than Superion but humans fear his size more than he understands.

“Defensor uses fireball cannons that hurl 2,000-degree Fahrenheit blue fireballs over 1.5 miles.”

Superion's 86-Foot Body

Pikachu, Jungle 1st Edition · PSA 8

Superion combines five Aerialbots into an 86-foot body that one punch demolishes a battleship and flies at 800 mph.

“Superion's tech spec shows one punch demolishes a battleship and he flies at 800 mph over a 5,800-mile range.”

Omega Supreme's 12-Meter Size

Omega Supreme stands at 12 meters, twice Optimus Prime's 6 meters, and outsizes Devastator's six Constructicons.

“In The Key to Vector Sigma, Omega Supreme transports an Autobot team through space to Cybertron.”

Broadside's 1,200-Foot Carrier

Broadside's aircraft carrier mode reaches 1,200 feet, longer than the USS Nimitz at 1,092 feet, making him a mobile base for allies.

“Broadside gets seasick on water and doesn't like the carrier or the jet.”

Metroplex's 800-Meter Scale

Metroplex blocks lasers at 800 meters, defining Autobot City as his headquarters and outgrowing Optimus Prime's 6 meters.

“Metroplex first appears in robot form in Five Faces of Darkness, fighting Trypticon.”

Fortress Maximus at 3km

Fortress Maximus stands at 3 kilometers, more than three times the Burj Khalifa's height, and commands the Autobot Headmasters.

“Fortress Maximus is the largest Autobot of the era and holds the highest authority among the Headmasters.”

The key point

G1 Transformers Autobots ranked by size: Jetfire at 10m, Defensor at 5m, Superion at 86ft, Omega Supreme at 12m, Broadside at 1,200ft, Metroplex at 800m, Fortress Maximus at 3km.

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