Audi Q8 (2018) is 360 mm (14.17 inch) longer, 209 mm (8.23 inch) wider and has 422 liters (14.90 ft3) bigger cargo space than Land Rover Defender (2015).
Land Rover Defender (2015) is 312 mm (12.28 inch) higher and 220 kg (485 lbs) lighter than Audi Q8 (2018).