McLaren 675LT Coupe (2016) is 55 mm (2.17 inch) longer, 287 mm (11.30 inch) wider, 187 kg (412 lbs) lighter and has 50 liters (1.77 ft3) bigger cargo space than Porsche 911 (2014).
Porsche 911 (2014) is 107 mm (4.21 inch) higher than McLaren 675LT Coupe (2016).