To put it bluntly, in terms of sheer length and height, Spinosaurus takes the crown handily but weight is a trickier question.
The Size Issue, and others, Page 4
Spinosaurus Bigger And Badder Than T-Rex
Spinosaurus: The Largest Carnivorous Dinosaur
Is Jurassic World's Giganotosaurus Really the World's Biggest Dinosaur?
Jurassic World Finally Has A Proper T-Rex vs Spinosaurus Rematch
Spinosaurus vs. T. rex Scene, Jurassic Park Wiki
Spinosaurus Natural History Museum
Was Spinosaurus Bigger Than T-Rex?
Spinosaurus VS T-Rex: Who Would Win?, Deadly Dinosaurs
Bigger than a T-Rex - World of Golf London : World of Golf London