UPDATED JUL 10
$100 back on $500 at Sixt with Amex Offer

Eligible American Express cardholders can receive a $100 statement credit after spending $500 or more on Sixt car rental purchases made via the US website.
01/ Sources
UPDATED JUL 10

Eligible American Express cardholders can receive a $100 statement credit after spending $500 or more on Sixt car rental purchases made via the US website.