Audi R8 Spyder (2020) is 292 mm (11.50 inch) longer and 126 mm (4.96 inch) wider than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 63 mm (2.48 inch) higher, 200 kg (441 lbs) lighter and has 109 liters (3.85 ft3) bigger cargo space than Audi R8 Spyder (2020).
Size difference at a glance
Audi R8 Spyder (2020) is 7.1% longer than Mercedes SLK-Class (2017).
Audi R8 Spyder (2020) is 6.9% wider than Mercedes SLK-Class (2017).
Audi R8 Spyder (2020) is 4.8% lower than Mercedes SLK-Class (2017).
Audi R8 Spyder (2020) is 13.7% heavier than Mercedes SLK-Class (2017).
Audi R8 Spyder (2020) is 32.5% smaller in cargo space than Mercedes SLK-Class (2017).
Overall footprint
Audi R8 Spyder (2020) has a 14.5% larger overall footprint (length × width).