BMW 5 Series Touring (2017) is 30 mm (1.18 inch) longer, 66 mm (2.60 inch) wider, 104 mm (4.09 inch) higher and has 172 liters (6.07 ft3) bigger cargo space than Cadillac STS (2017).
Cadillac STS (2017) is 256 kg (564 lbs) lighter than BMW 5 Series Touring (2017).