Cadillac STS (2018) is 573 mm (22.56 inch) longer and 48 mm (1.89 inch) wider than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 104 mm (4.09 inch) higher, 364 kg (802 lbs) lighter and has 98 liters (3.46 ft3) bigger cargo space than Cadillac STS (2018).
Size difference at a glance
Cadillac STS (2018) is 13% longer than Mercedes B-Class (2014).
Cadillac STS (2018) is 2.7% wider than Mercedes B-Class (2014).
Cadillac STS (2018) is 6.7% lower than Mercedes B-Class (2014).
Cadillac STS (2018) is 26.1% heavier than Mercedes B-Class (2014).
Cadillac STS (2018) is 20.2% smaller in cargo space than Mercedes B-Class (2014).
Overall footprint
Cadillac STS (2018) has a 16.1% larger overall footprint than Mercedes B-Class (2014) (length × width).
