Car Rental at Colombo Bandaranaike International Airport (CMB)

Your US driver's license is valid for short-term tourist visits (up to 30 days), but an International Driving Permit (IDP) is strongly recommended. Sri Lankan traffic police often request the IDP, and some rental companies won't hand over keys without it. The IDP costs around $20 and can be obtained from AAA in the US before departure. Get both documents—it's a $20 investment that saves potential $50+ bribes and hours of hassle at checkpoints.

Extremely dangerous if you're not mentally prepared. Sri Lanka has one of the highest traffic fatality rates in Asia. The biggest shock isn't the left-side driving—it's the chaotic mix of motorcycles, tuk-tuks, buses, and pedestrians with almost zero lane discipline. Expect vehicles to cut you off, drive on the wrong side to overtake, and ignore traffic signals. If you rent a car in Colombo, consider hiring a local driver for the first few days (typically $25-40/day) rather than risk a head-on collision while learning the roads.

A 2WD is fine for highways between Colombo, Kandy, and Galle, but forget about national park visits or mountain roads without a 4WD. The scenic hill country routes (Nuwara Eliya, Ella) involve steep, winding, single-lane mountain roads with blind corners—rent a 4WD with high ground clearance. Budget $50-80/day for a reliable 4WD SUV versus $30-50/day for a small sedan. Wet season (May-September, November-December) turns unpaved roads into mud traps where 2WD cars get stuck daily.

Fuel stations accept cash (LKR and USD) and major credit cards at larger stations. The Ceylon Petroleum Corporation (CPC) runs most stations—expect diesel at ~LKR 320/liter (~$1 USD) and petrol around ~LKR 400/liter. Sri Lanka's only major toll road is the 126km Southern Expressway from Colombo to Galle (~$15-20 toll), payable in cash at toll booths. Avoid toll lanes if your rental car has an electronic tag—it may not be compatible. Fill up before entering highway and in rural areas; stations can be scarce in the highlands.

Absolutely not without precautions. Sri Lanka has two monsoon seasons: May-September (southwest monsoon) and November-December (northeast monsoon). During heavy rains, expect flooding on Colombo's streets (water depth can reach 1-2 feet), landslides on hill country roads, and reduced visibility to near zero. If you must drive in monsoon season, avoid night driving, keep speeds below 60 km/h, and never attempt to cross flooded roads—shallow-looking water can sweep a car away. Many tourists die each year from this exact mistake. Rent a 4WD with functioning wipers and check if your insurance covers flood damage.

The minimum driving age is 18, but most rental companies require 21-25 years old and charge a Young Driver Surcharge (~$10-25/day) for drivers under 25. Seniors over 70 may face restrictions at some agencies. Credit card pre-authorization holds $500-1500 depending on the vehicle value—debit cards are usually rejected. Book through international agencies (Hertz, Avis) or local chains like Ceylon Roots for better English-language contracts. Watch for the 'mandatory insurance' upsell—basic CDW is often included in local quotes, unlike the US where it's extra.