COMPARE Audi S6 (2015) with Buick Regal Sportback (2020)

Audi S6 (2015) vs Buick Regal Sportback (2020)

• Audi S6 (2015) is 31 mm (1.22 inch) longer and 12 mm (0.47 inch) wider than Buick Regal Sportback (2020).
• Buick Regal Sportback (2020) is 15 mm (0.59 inch) higher, 153 kg (337 lbs) lighter and has 71 liters (2.51 ft3) bigger cargo space than Audi S6 (2015).