Honda Civic Limousine (2021) is 55 mm (2.17 inch) longer, 15 mm (0.59 inch) higher, 433 kg (955 lbs) lighter and has 37 liters (1.31 ft3) bigger cargo space than Seat Leon ST (2017).
Seat Leon ST (2017) is 101 mm (3.98 inch) wider than Honda Civic Limousine (2021).
