Some people think that discounts don't work on international car rental or hotels but it really works and there is a great site to find the best car rental sites to get more amazing cheap rates rental sites.
Thank you, @to4856, for your question about an overseas rental with Avis/Budget. AARP members can enjoy savings of up to 30% off Avis/Budget base rates when renting from a participating location in the contiguous U.S. and Canada only. To see all other travel discounts through the AARP Travel Center powered by Expedia, including discounts for hotel stays, please visit http://www.expedia-aarp.com/ or call 1-800-675-4318. For information on all of the discounts, benefits and services made available to AARP members from selected providers, visit our website at http://www.aarpmemberadvantages.com or call us toll-free at 1-888-OUR-AARP (1-888-687-2277).