BMW 4 Series (2014) is 35 mm (1.38 inch) wider, 370 kg (816 lbs) lighter and has 3 liters (0.11 ft3) bigger cargo space than Land Rover Defender (2015).
Land Rover Defender (2015) is 1 mm (0.04 inch) longer and 659 mm (25.94 inch) higher than BMW 4 Series (2014).