Audi R8 (2014) is 133 mm (5.24 inch) wider and 119 kg (262 lbs) lighter than BMW 3 Series Touring (2018).
BMW 3 Series Touring (2018) is 198 mm (7.80 inch) longer, 184 mm (7.24 inch) higher and has 396 liters (13.98 ft3) bigger cargo space than Audi R8 (2014).