Buick Regal (2017) is 847 kg (1,867 lbs) lighter than Toyota Tundra (2015).
Toyota Tundra (2015) is 983 mm (38.70 inch) longer, 172 mm (6.77 inch) wider, 452 mm (17.80 inch) higher and has 1014 liters (35.81 ft3) bigger cargo space than Buick Regal (2017).