Aston Martin DB11 (2018) is 89 mm (3.50 inch) wider and 57 kg (126 lbs) lighter than Cadillac XTS (2015).
Cadillac XTS (2015) is 392 mm (15.43 inch) longer, 221 mm (8.70 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than Aston Martin DB11 (2018).