Honda Insight (2018) is 119 kg (262 lbs) lighter than Hyundai Sonata (2015).
Hyundai Sonata (2015) is 191 mm (7.52 inch) longer, 45 mm (1.77 inch) wider, 64 mm (2.52 inch) higher and has 34 liters (1.20 ft3) bigger cargo space than Honda Insight (2018).
