Book Cheap AVIS Car Hire Deals in Mayfair, London, United Kingdom

Before you book, review the rental agreement for any hidden fees, such as airport surcharges, additional driver costs, or penalties for late returns. Awareness helps in budgeting appropriately.

Before booking, check for any promotional offers or discounts that may be available. Many rental companies provide seasonal deals or discounts for early bookings.

When renting a car, understand the fuel policy. A 'Full-to-Full' policy means you return the car with a full tank, while 'Same-to-Same' means you return it with the same level of fuel. Full-to-Full is often more cost-effective.

If you plan to share driving, check if the rental company allows a second driver and whether there are additional fees. Some companies offer free second driver options under certain conditions.

Some rentals have mileage limits, while others provide unlimited mileage. Review these policies carefully to avoid unexpected charges.

When renting a car, it's crucial to understand the different insurance options available. Selecting the right insurance can protect your finances in case of an accident. Common options include Collision Damage Waiver (CDW) and liability insurance, so make sure to confirm the required coverage with the provider.

When booking, check if the rental company offers extras such as GPS or child seats. These can enhance your driving experience but may incur additional costs, so it's wise to factor them into your budget.

Research any toll roads on your travel route and understand the payment options. Some rental companies provide toll transponders for convenience.