BMW 3 Series Gran Turismo (2018) is 439 mm (17.28 inch) longer, 33 mm (1.30 inch) wider and has 143 liters (5.05 ft3) bigger cargo space than Toyota C-HR (2017).
Toyota C-HR (2017) is 57 mm (2.24 inch) higher and 275 kg (606 lbs) lighter than BMW 3 Series Gran Turismo (2018).