Buick Regal (2015) is 236 mm (9.29 inch) longer and 61 mm (2.40 inch) wider than Subaru Forester (2017).
Subaru Forester (2017) is 249 mm (9.80 inch) higher, 148 kg (326 lbs) lighter and has 490 liters (17.30 ft3) bigger cargo space than Buick Regal (2015).