Lexus IS (2018) is 234 mm (9.21 inch) longer and 3 mm (0.12 inch) wider than Volkswagen Tiguan (2020).
Volkswagen Tiguan (2020) is 274 mm (10.79 inch) higher, 111 kg (245 lbs) lighter and has 283 liters (9.99 ft3) bigger cargo space than Lexus IS (2018).
