Does Avis require an IDP in Thailand?

Avis's standard minimum rental age is 25, though it rents to drivers as young as 21 in most US states/provinces (some locations require 25 by local law); renters aged 21-24 pay a young-driver surcharge of roughly $25 per day in the US (about $35/day in Canada).

Avis requires an Avis-honored credit or charge card (Visa, Mastercard, Amex, etc.) and places an authorization hold covering the estimated charges plus a security amount; Visa/Mastercard debit cards are accepted at most US locations but are subject to stricter checks, and the card must be in the renter's name.

Additional drivers must be at least 25 (or meet the underage rules) with a valid licence and typically cost about $13 per day, capped near $65 per rental; in California the fee is waived for a spouse, parent, sibling or child of the renter. Avis requires a valid driver's licence held for the entire rental period that is not suspended, expired, revoked, cancelled or surrendered; it does not publish a fixed minimum holding period in the US, though some international locations require the licence to have been held for 1-2 years.

Avis generally permits US-to-Canada travel if the renting location is notified in advance, but driving into Mexico is restricted (typically corporate accounts only, no one-way, and Mexican insurance purchased through Avis from border states); one-way rentals are offered with a drop-off charge that may apply on certain rates.

Avis states that "International Driver's Permits are valid only if presented with the original local license. An International Driver's Permit is not acceptable by itself." Foreign licences are accepted if the issuing country participated in the 1949 Geneva Convention on Road Traffic or has a reciprocal agreement with the US; non-Roman-alphabet licences effectively require an IDP, and renters with a foreign licence may need to present a passport.

Bangkok and inter-city expressways (EXAT/DOH) charge fixed-amount tolls payable in cash at booths or electronically via the M-Pass or Easy-Pass transponder/sticker; most short urban expressway segments cost roughly 25-90 THB. Unpaid e-tolls now carry escalating penalties, so use cash lanes if your rental has no tag.

Park only in marked bays; illegal or red-and-white-curb parking draws 200-500 THB fines and towing, common in central Bangkok. Malls and BTS-area lots offer paid garages (often 20-40 THB/hr), and apps/attended lots are the safe option in dense districts.

Speeding typically 1,000-2,000 THB, no-seatbelt and mobile-phone use up to 1,000 THB, and drink-driving over 0.05% BAC is heavily fined or jailed; minor fines are frequently issued on-the-spot in cash at checkpoints. Rental firms pass camera/toll tickets to your card plus an admin fee.

Call 1669 for medical emergency and 191 for police (insurance/tourist accident hotline 1554); for any injury or insurance claim a police report is required. Do not move the vehicles until police or the insurer's assessor arrives unless they are blocking a fast lane and you mark positions.