BMW 3 Series Gran Turismo (2020) is 278 mm (10.94 inch) longer, 219 mm (8.62 inch) higher and has 170 liters (6.00 ft3) bigger cargo space than Mercedes AMG GT (2015).
Mercedes AMG GT (2015) is 111 mm (4.37 inch) wider and 90 kg (198 lbs) lighter than BMW 3 Series Gran Turismo (2020).
Size difference at a glance
BMW 3 Series Gran Turismo (2020) is 6.1% longer than Mercedes AMG GT (2015).
BMW 3 Series Gran Turismo (2020) is 5.7% narrower than Mercedes AMG GT (2015).
BMW 3 Series Gran Turismo (2020) is 17% taller than Mercedes AMG GT (2015).
BMW 3 Series Gran Turismo (2020) is 5.5% heavier than Mercedes AMG GT (2015).
BMW 3 Series Gran Turismo (2020) is 48.6% larger in cargo space than Mercedes AMG GT (2015).
Summary
BMW 3 Series Gran Turismo (2020) is the larger car on 3 of 4 key dimensions.
Side-by-side size
Length
Width
Height
Weight
Cargo space
BMW 3 Series Gran Turismo (2020) Mercedes AMG GT (2015)
