Audi R8 (2014) is 82 mm (3.23 inch) wider and 47 kg (104 lbs) lighter than Buick Regal TourX (2018).
Buick Regal TourX (2018) is 541 mm (21.30 inch) longer, 238 mm (9.37 inch) higher and has 501 liters (17.69 ft3) bigger cargo space than Audi R8 (2014).
